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-   -   Air box restrictor (https://www.jeepscanada.com/jeep-mailing-list-32/air-box-restrictor-43903/)

The Merg 01-31-2007 07:04 PM

Air box restrictor
 
Hey guys,
I'm sure somebody's mentioned this before, but I just ran across this on
4x4help: http://www.4x4help.com/tech/horn.htm

There's a restrictor in the tube going from the air box to the throttle
body that you can pull out for a little better flow.

Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L

http://i143.photobucket.com/albums/r...r/IMG_0336.jpg

http://i143.photobucket.com/albums/r...r/IMG_0337.jpg

DougW 01-31-2007 07:56 PM

Re: Air box restrictor
 
The Merg wrote:
> Hey guys,
> I'm sure somebody's mentioned this before, but I just ran across this
> on 4x4help: http://www.4x4help.com/tech/horn.htm
>
> There's a restrictor in the tube going from the air box to the
> throttle body that you can pull out for a little better flow.
>
> Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L
>
> http://i143.photobucket.com/albums/r...r/IMG_0336.jpg
>
> http://i143.photobucket.com/albums/r...r/IMG_0337.jpg


Your better off putting that back.

It's a venturi and designed to create the vacuum necessary to
evacuate the emissions canister. without that, the canister
will become saturated and die an early (and expensive) death.
A properly designed venturi doesn't restrict much and the
actual restriction is the air turbulence caused by the bellows.

There is no appreciable gains from removing the venturi.
(tested it myself)
You can get a tiny gain from a larger diameter air tube, but
the problem with venting the canister remains.

However, take careful measurements of your fuel economy
and see if there is a difference. If there was on my
ZJ (and I tested it over a year) I certainly couldn't
see it.


--
-- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!



DougW 01-31-2007 07:56 PM

Re: Air box restrictor
 
The Merg wrote:
> Hey guys,
> I'm sure somebody's mentioned this before, but I just ran across this
> on 4x4help: http://www.4x4help.com/tech/horn.htm
>
> There's a restrictor in the tube going from the air box to the
> throttle body that you can pull out for a little better flow.
>
> Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L
>
> http://i143.photobucket.com/albums/r...r/IMG_0336.jpg
>
> http://i143.photobucket.com/albums/r...r/IMG_0337.jpg


Your better off putting that back.

It's a venturi and designed to create the vacuum necessary to
evacuate the emissions canister. without that, the canister
will become saturated and die an early (and expensive) death.
A properly designed venturi doesn't restrict much and the
actual restriction is the air turbulence caused by the bellows.

There is no appreciable gains from removing the venturi.
(tested it myself)
You can get a tiny gain from a larger diameter air tube, but
the problem with venting the canister remains.

However, take careful measurements of your fuel economy
and see if there is a difference. If there was on my
ZJ (and I tested it over a year) I certainly couldn't
see it.


--
-- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!



DougW 01-31-2007 07:56 PM

Re: Air box restrictor
 
The Merg wrote:
> Hey guys,
> I'm sure somebody's mentioned this before, but I just ran across this
> on 4x4help: http://www.4x4help.com/tech/horn.htm
>
> There's a restrictor in the tube going from the air box to the
> throttle body that you can pull out for a little better flow.
>
> Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L
>
> http://i143.photobucket.com/albums/r...r/IMG_0336.jpg
>
> http://i143.photobucket.com/albums/r...r/IMG_0337.jpg


Your better off putting that back.

It's a venturi and designed to create the vacuum necessary to
evacuate the emissions canister. without that, the canister
will become saturated and die an early (and expensive) death.
A properly designed venturi doesn't restrict much and the
actual restriction is the air turbulence caused by the bellows.

There is no appreciable gains from removing the venturi.
(tested it myself)
You can get a tiny gain from a larger diameter air tube, but
the problem with venting the canister remains.

However, take careful measurements of your fuel economy
and see if there is a difference. If there was on my
ZJ (and I tested it over a year) I certainly couldn't
see it.


--
-- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!



DougW 01-31-2007 07:56 PM

Re: Air box restrictor
 
The Merg wrote:
> Hey guys,
> I'm sure somebody's mentioned this before, but I just ran across this
> on 4x4help: http://www.4x4help.com/tech/horn.htm
>
> There's a restrictor in the tube going from the air box to the
> throttle body that you can pull out for a little better flow.
>
> Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L
>
> http://i143.photobucket.com/albums/r...r/IMG_0336.jpg
>
> http://i143.photobucket.com/albums/r...r/IMG_0337.jpg


Your better off putting that back.

It's a venturi and designed to create the vacuum necessary to
evacuate the emissions canister. without that, the canister
will become saturated and die an early (and expensive) death.
A properly designed venturi doesn't restrict much and the
actual restriction is the air turbulence caused by the bellows.

There is no appreciable gains from removing the venturi.
(tested it myself)
You can get a tiny gain from a larger diameter air tube, but
the problem with venting the canister remains.

However, take careful measurements of your fuel economy
and see if there is a difference. If there was on my
ZJ (and I tested it over a year) I certainly couldn't
see it.


--
-- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!



The Merg 02-01-2007 05:34 PM

Re: Air box restrictor
 
Thanks, Doug. There was certainly no mention of that in the write-
up. I think I'll leave 'em out for a while to see if there's any
difference - if not, I'll put 'em back.
You didn't happen to do a write-up on your site, did you?


On Jan 31, 7:56 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Hey guys,
> > I'm sure somebody's mentioned this before, but I just ran across this
> > on 4x4help: http://www.4x4help.com/tech/horn.htm

>
> > There's a restrictor in the tube going from the air box to the
> > throttle body that you can pull out for a little better flow.

>
> > Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L

>
> >http://i143.photobucket.com/albums/r...r/IMG_0336.jpg

>
> >http://i143.photobucket.com/albums/r...r/IMG_0337.jpg

>
> Your better off putting that back.
>
> It's a venturi and designed to create the vacuum necessary to
> evacuate the emissions canister. without that, the canister
> will become saturated and die an early (and expensive) death.
> A properly designed venturi doesn't restrict much and the
> actual restriction is the air turbulence caused by the bellows.
>
> There is no appreciable gains from removing the venturi.
> (tested it myself)
> You can get a tiny gain from a larger diameter air tube, but
> the problem with venting the canister remains.
>
> However, take careful measurements of your fuel economy
> and see if there is a difference. If there was on my
> ZJ (and I tested it over a year) I certainly couldn't
> see it.
>
> --
> -- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> Banks Header - and BEER, in the fridge!




The Merg 02-01-2007 05:34 PM

Re: Air box restrictor
 
Thanks, Doug. There was certainly no mention of that in the write-
up. I think I'll leave 'em out for a while to see if there's any
difference - if not, I'll put 'em back.
You didn't happen to do a write-up on your site, did you?


On Jan 31, 7:56 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Hey guys,
> > I'm sure somebody's mentioned this before, but I just ran across this
> > on 4x4help: http://www.4x4help.com/tech/horn.htm

>
> > There's a restrictor in the tube going from the air box to the
> > throttle body that you can pull out for a little better flow.

>
> > Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L

>
> >http://i143.photobucket.com/albums/r...r/IMG_0336.jpg

>
> >http://i143.photobucket.com/albums/r...r/IMG_0337.jpg

>
> Your better off putting that back.
>
> It's a venturi and designed to create the vacuum necessary to
> evacuate the emissions canister. without that, the canister
> will become saturated and die an early (and expensive) death.
> A properly designed venturi doesn't restrict much and the
> actual restriction is the air turbulence caused by the bellows.
>
> There is no appreciable gains from removing the venturi.
> (tested it myself)
> You can get a tiny gain from a larger diameter air tube, but
> the problem with venting the canister remains.
>
> However, take careful measurements of your fuel economy
> and see if there is a difference. If there was on my
> ZJ (and I tested it over a year) I certainly couldn't
> see it.
>
> --
> -- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> Banks Header - and BEER, in the fridge!




The Merg 02-01-2007 05:34 PM

Re: Air box restrictor
 
Thanks, Doug. There was certainly no mention of that in the write-
up. I think I'll leave 'em out for a while to see if there's any
difference - if not, I'll put 'em back.
You didn't happen to do a write-up on your site, did you?


On Jan 31, 7:56 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Hey guys,
> > I'm sure somebody's mentioned this before, but I just ran across this
> > on 4x4help: http://www.4x4help.com/tech/horn.htm

>
> > There's a restrictor in the tube going from the air box to the
> > throttle body that you can pull out for a little better flow.

>
> > Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L

>
> >http://i143.photobucket.com/albums/r...r/IMG_0336.jpg

>
> >http://i143.photobucket.com/albums/r...r/IMG_0337.jpg

>
> Your better off putting that back.
>
> It's a venturi and designed to create the vacuum necessary to
> evacuate the emissions canister. without that, the canister
> will become saturated and die an early (and expensive) death.
> A properly designed venturi doesn't restrict much and the
> actual restriction is the air turbulence caused by the bellows.
>
> There is no appreciable gains from removing the venturi.
> (tested it myself)
> You can get a tiny gain from a larger diameter air tube, but
> the problem with venting the canister remains.
>
> However, take careful measurements of your fuel economy
> and see if there is a difference. If there was on my
> ZJ (and I tested it over a year) I certainly couldn't
> see it.
>
> --
> -- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> Banks Header - and BEER, in the fridge!




The Merg 02-01-2007 05:34 PM

Re: Air box restrictor
 
Thanks, Doug. There was certainly no mention of that in the write-
up. I think I'll leave 'em out for a while to see if there's any
difference - if not, I'll put 'em back.
You didn't happen to do a write-up on your site, did you?


On Jan 31, 7:56 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Hey guys,
> > I'm sure somebody's mentioned this before, but I just ran across this
> > on 4x4help: http://www.4x4help.com/tech/horn.htm

>
> > There's a restrictor in the tube going from the air box to the
> > throttle body that you can pull out for a little better flow.

>
> > Here are pictures of the ones I pulled from my YJ 2.5L and my XJ 4.0L

>
> >http://i143.photobucket.com/albums/r...r/IMG_0336.jpg

>
> >http://i143.photobucket.com/albums/r...r/IMG_0337.jpg

>
> Your better off putting that back.
>
> It's a venturi and designed to create the vacuum necessary to
> evacuate the emissions canister. without that, the canister
> will become saturated and die an early (and expensive) death.
> A properly designed venturi doesn't restrict much and the
> actual restriction is the air turbulence caused by the bellows.
>
> There is no appreciable gains from removing the venturi.
> (tested it myself)
> You can get a tiny gain from a larger diameter air tube, but
> the problem with venting the canister remains.
>
> However, take careful measurements of your fuel economy
> and see if there is a difference. If there was on my
> ZJ (and I tested it over a year) I certainly couldn't
> see it.
>
> --
> -- DougW -- 93 ZJ 4.0 http://revbeergoggles.com
> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> Banks Header - and BEER, in the fridge!




DougW 02-01-2007 05:47 PM

Re: Air box restrictor
 
The Merg wrote:
> Thanks, Doug. There was certainly no mention of that in the write-
> up. I think I'll leave 'em out for a while to see if there's any
> difference - if not, I'll put 'em back.
> You didn't happen to do a write-up on your site, did you?


Long time back. Don't know if it's still in my collection.
Nope, that was back when I was on a different ISP. Basically
I track my milage every fillup (got a excel ------sheet to do it)
over about a year I didn't see any difference, and my 1/4 mile
and 0-60 times didn't change by anything I could detect.

The only thing I did notice was more of a gas smell from the
engine. Turned out that was the evaporative canister maxing out.
Soon after I put the venturi back and the smell slowly went away.

Later I put in the supercharger and didn't even think about it
again till your post.

--
DougW



DougW 02-01-2007 05:47 PM

Re: Air box restrictor
 
The Merg wrote:
> Thanks, Doug. There was certainly no mention of that in the write-
> up. I think I'll leave 'em out for a while to see if there's any
> difference - if not, I'll put 'em back.
> You didn't happen to do a write-up on your site, did you?


Long time back. Don't know if it's still in my collection.
Nope, that was back when I was on a different ISP. Basically
I track my milage every fillup (got a excel ------sheet to do it)
over about a year I didn't see any difference, and my 1/4 mile
and 0-60 times didn't change by anything I could detect.

The only thing I did notice was more of a gas smell from the
engine. Turned out that was the evaporative canister maxing out.
Soon after I put the venturi back and the smell slowly went away.

Later I put in the supercharger and didn't even think about it
again till your post.

--
DougW



DougW 02-01-2007 05:47 PM

Re: Air box restrictor
 
The Merg wrote:
> Thanks, Doug. There was certainly no mention of that in the write-
> up. I think I'll leave 'em out for a while to see if there's any
> difference - if not, I'll put 'em back.
> You didn't happen to do a write-up on your site, did you?


Long time back. Don't know if it's still in my collection.
Nope, that was back when I was on a different ISP. Basically
I track my milage every fillup (got a excel ------sheet to do it)
over about a year I didn't see any difference, and my 1/4 mile
and 0-60 times didn't change by anything I could detect.

The only thing I did notice was more of a gas smell from the
engine. Turned out that was the evaporative canister maxing out.
Soon after I put the venturi back and the smell slowly went away.

Later I put in the supercharger and didn't even think about it
again till your post.

--
DougW



DougW 02-01-2007 05:47 PM

Re: Air box restrictor
 
The Merg wrote:
> Thanks, Doug. There was certainly no mention of that in the write-
> up. I think I'll leave 'em out for a while to see if there's any
> difference - if not, I'll put 'em back.
> You didn't happen to do a write-up on your site, did you?


Long time back. Don't know if it's still in my collection.
Nope, that was back when I was on a different ISP. Basically
I track my milage every fillup (got a excel ------sheet to do it)
over about a year I didn't see any difference, and my 1/4 mile
and 0-60 times didn't change by anything I could detect.

The only thing I did notice was more of a gas smell from the
engine. Turned out that was the evaporative canister maxing out.
Soon after I put the venturi back and the smell slowly went away.

Later I put in the supercharger and didn't even think about it
again till your post.

--
DougW



The Merg 02-01-2007 06:18 PM

Re: Air box restrictor
 
I guess I'll just put 'em back in then, no reason to keep them out if
it's more of a PITA then an improvement.
Thanks, Doug

On Feb 1, 5:47 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Thanks, Doug. There was certainly no mention of that in the write-
> > up. I think I'll leave 'em out for a while to see if there's any
> > difference - if not, I'll put 'em back.
> > You didn't happen to do a write-up on your site, did you?

>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW




The Merg 02-01-2007 06:18 PM

Re: Air box restrictor
 
I guess I'll just put 'em back in then, no reason to keep them out if
it's more of a PITA then an improvement.
Thanks, Doug

On Feb 1, 5:47 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Thanks, Doug. There was certainly no mention of that in the write-
> > up. I think I'll leave 'em out for a while to see if there's any
> > difference - if not, I'll put 'em back.
> > You didn't happen to do a write-up on your site, did you?

>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW




The Merg 02-01-2007 06:18 PM

Re: Air box restrictor
 
I guess I'll just put 'em back in then, no reason to keep them out if
it's more of a PITA then an improvement.
Thanks, Doug

On Feb 1, 5:47 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Thanks, Doug. There was certainly no mention of that in the write-
> > up. I think I'll leave 'em out for a while to see if there's any
> > difference - if not, I'll put 'em back.
> > You didn't happen to do a write-up on your site, did you?

>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW




The Merg 02-01-2007 06:18 PM

Re: Air box restrictor
 
I guess I'll just put 'em back in then, no reason to keep them out if
it's more of a PITA then an improvement.
Thanks, Doug

On Feb 1, 5:47 pm, "DougW" <post.repl...@invalid.address> wrote:
> The Merg wrote:
> > Thanks, Doug. There was certainly no mention of that in the write-
> > up. I think I'll leave 'em out for a while to see if there's any
> > difference - if not, I'll put 'em back.
> > You didn't happen to do a write-up on your site, did you?

>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW




L.W. \(Bill\) Hughes III 02-01-2007 07:02 PM

Re: Air box restrictor
 
Hi Doug,
I agree with you, the orifice is an integral part of the crankcase
positive ventilation.
http://----------.com/mirror/jeepmods.htm
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"DougW" <post.replies@invalid.address> wrote in message
news:X7uwh.62130$oA1.1745@newsfe19.lga...
>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW
>
>




L.W. \(Bill\) Hughes III 02-01-2007 07:02 PM

Re: Air box restrictor
 
Hi Doug,
I agree with you, the orifice is an integral part of the crankcase
positive ventilation.
http://----------.com/mirror/jeepmods.htm
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"DougW" <post.replies@invalid.address> wrote in message
news:X7uwh.62130$oA1.1745@newsfe19.lga...
>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW
>
>




L.W. \(Bill\) Hughes III 02-01-2007 07:02 PM

Re: Air box restrictor
 
Hi Doug,
I agree with you, the orifice is an integral part of the crankcase
positive ventilation.
http://----------.com/mirror/jeepmods.htm
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"DougW" <post.replies@invalid.address> wrote in message
news:X7uwh.62130$oA1.1745@newsfe19.lga...
>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW
>
>




L.W. \(Bill\) Hughes III 02-01-2007 07:02 PM

Re: Air box restrictor
 
Hi Doug,
I agree with you, the orifice is an integral part of the crankcase
positive ventilation.
http://----------.com/mirror/jeepmods.htm
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"DougW" <post.replies@invalid.address> wrote in message
news:X7uwh.62130$oA1.1745@newsfe19.lga...
>
> Long time back. Don't know if it's still in my collection.
> Nope, that was back when I was on a different ISP. Basically
> I track my milage every fillup (got a excel ------sheet to do it)
> over about a year I didn't see any difference, and my 1/4 mile
> and 0-60 times didn't change by anything I could detect.
>
> The only thing I did notice was more of a gas smell from the
> engine. Turned out that was the evaporative canister maxing out.
> Soon after I put the venturi back and the smell slowly went away.
>
> Later I put in the supercharger and didn't even think about it
> again till your post.
>
> --
> DougW
>
>




Earle Horton 02-01-2007 08:02 PM

Re: Air box restrictor
 
I've been without it for seven or eight years, excellent fuel mileage, no
gas smell yet...

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fdepF1nkvivU1@mid.individual.net...
> Hi Doug,
> I agree with you, the orifice is an integral part of the crankcase
> positive ventilation.
> http://----------.com/mirror/jeepmods.htm
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:X7uwh.62130$oA1.1745@newsfe19.lga...
> >
> > Long time back. Don't know if it's still in my collection.
> > Nope, that was back when I was on a different ISP. Basically
> > I track my milage every fillup (got a excel ------sheet to do it)
> > over about a year I didn't see any difference, and my 1/4 mile
> > and 0-60 times didn't change by anything I could detect.
> >
> > The only thing I did notice was more of a gas smell from the
> > engine. Turned out that was the evaporative canister maxing out.
> > Soon after I put the venturi back and the smell slowly went away.
> >
> > Later I put in the supercharger and didn't even think about it
> > again till your post.
> >
> > --
> > DougW
> >
> >

>
>




Earle Horton 02-01-2007 08:02 PM

Re: Air box restrictor
 
I've been without it for seven or eight years, excellent fuel mileage, no
gas smell yet...

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fdepF1nkvivU1@mid.individual.net...
> Hi Doug,
> I agree with you, the orifice is an integral part of the crankcase
> positive ventilation.
> http://----------.com/mirror/jeepmods.htm
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:X7uwh.62130$oA1.1745@newsfe19.lga...
> >
> > Long time back. Don't know if it's still in my collection.
> > Nope, that was back when I was on a different ISP. Basically
> > I track my milage every fillup (got a excel ------sheet to do it)
> > over about a year I didn't see any difference, and my 1/4 mile
> > and 0-60 times didn't change by anything I could detect.
> >
> > The only thing I did notice was more of a gas smell from the
> > engine. Turned out that was the evaporative canister maxing out.
> > Soon after I put the venturi back and the smell slowly went away.
> >
> > Later I put in the supercharger and didn't even think about it
> > again till your post.
> >
> > --
> > DougW
> >
> >

>
>




Earle Horton 02-01-2007 08:02 PM

Re: Air box restrictor
 
I've been without it for seven or eight years, excellent fuel mileage, no
gas smell yet...

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fdepF1nkvivU1@mid.individual.net...
> Hi Doug,
> I agree with you, the orifice is an integral part of the crankcase
> positive ventilation.
> http://----------.com/mirror/jeepmods.htm
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:X7uwh.62130$oA1.1745@newsfe19.lga...
> >
> > Long time back. Don't know if it's still in my collection.
> > Nope, that was back when I was on a different ISP. Basically
> > I track my milage every fillup (got a excel ------sheet to do it)
> > over about a year I didn't see any difference, and my 1/4 mile
> > and 0-60 times didn't change by anything I could detect.
> >
> > The only thing I did notice was more of a gas smell from the
> > engine. Turned out that was the evaporative canister maxing out.
> > Soon after I put the venturi back and the smell slowly went away.
> >
> > Later I put in the supercharger and didn't even think about it
> > again till your post.
> >
> > --
> > DougW
> >
> >

>
>




Earle Horton 02-01-2007 08:02 PM

Re: Air box restrictor
 
I've been without it for seven or eight years, excellent fuel mileage, no
gas smell yet...

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fdepF1nkvivU1@mid.individual.net...
> Hi Doug,
> I agree with you, the orifice is an integral part of the crankcase
> positive ventilation.
> http://----------.com/mirror/jeepmods.htm
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:X7uwh.62130$oA1.1745@newsfe19.lga...
> >
> > Long time back. Don't know if it's still in my collection.
> > Nope, that was back when I was on a different ISP. Basically
> > I track my milage every fillup (got a excel ------sheet to do it)
> > over about a year I didn't see any difference, and my 1/4 mile
> > and 0-60 times didn't change by anything I could detect.
> >
> > The only thing I did notice was more of a gas smell from the
> > engine. Turned out that was the evaporative canister maxing out.
> > Soon after I put the venturi back and the smell slowly went away.
> >
> > Later I put in the supercharger and didn't even think about it
> > again till your post.
> >
> > --
> > DougW
> >
> >

>
>




L.W. \(Bill\) Hughes III 02-01-2007 08:10 PM

Re: Air box restrictor
 
Hi Earle,
Do you have the PCV valve in your valve cover?
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> I've been without it for seven or eight years, excellent fuel mileage, no
> gas smell yet...
>
> Earle




L.W. \(Bill\) Hughes III 02-01-2007 08:10 PM

Re: Air box restrictor
 
Hi Earle,
Do you have the PCV valve in your valve cover?
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> I've been without it for seven or eight years, excellent fuel mileage, no
> gas smell yet...
>
> Earle




L.W. \(Bill\) Hughes III 02-01-2007 08:10 PM

Re: Air box restrictor
 
Hi Earle,
Do you have the PCV valve in your valve cover?
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> I've been without it for seven or eight years, excellent fuel mileage, no
> gas smell yet...
>
> Earle




L.W. \(Bill\) Hughes III 02-01-2007 08:10 PM

Re: Air box restrictor
 
Hi Earle,
Do you have the PCV valve in your valve cover?
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> I've been without it for seven or eight years, excellent fuel mileage, no
> gas smell yet...
>
> Earle




DougW 02-01-2007 08:24 PM

Re: Air box restrictor
 
Earle Horton wrote:
> I've been without it for seven or eight years, excellent fuel
> mileage, no gas smell yet...


Dunno.. that's what happened with me.

--
DougW



DougW 02-01-2007 08:24 PM

Re: Air box restrictor
 
Earle Horton wrote:
> I've been without it for seven or eight years, excellent fuel
> mileage, no gas smell yet...


Dunno.. that's what happened with me.

--
DougW



DougW 02-01-2007 08:24 PM

Re: Air box restrictor
 
Earle Horton wrote:
> I've been without it for seven or eight years, excellent fuel
> mileage, no gas smell yet...


Dunno.. that's what happened with me.

--
DougW



DougW 02-01-2007 08:24 PM

Re: Air box restrictor
 
Earle Horton wrote:
> I've been without it for seven or eight years, excellent fuel
> mileage, no gas smell yet...


Dunno.. that's what happened with me.

--
DougW



Earle Horton 02-01-2007 08:31 PM

Re: Air box restrictor
 
It's got one of those CCV things.

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fhd8F1o8gpiU1@mid.individual.net...
> Hi Earle,
> Do you have the PCV valve in your valve cover?
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "Earle Horton" <apodo@gracioso.usa> wrote in message
> news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> > I've been without it for seven or eight years, excellent fuel mileage,

no
> > gas smell yet...
> >
> > Earle

>
>




Earle Horton 02-01-2007 08:31 PM

Re: Air box restrictor
 
It's got one of those CCV things.

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fhd8F1o8gpiU1@mid.individual.net...
> Hi Earle,
> Do you have the PCV valve in your valve cover?
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "Earle Horton" <apodo@gracioso.usa> wrote in message
> news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> > I've been without it for seven or eight years, excellent fuel mileage,

no
> > gas smell yet...
> >
> > Earle

>
>




Earle Horton 02-01-2007 08:31 PM

Re: Air box restrictor
 
It's got one of those CCV things.

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fhd8F1o8gpiU1@mid.individual.net...
> Hi Earle,
> Do you have the PCV valve in your valve cover?
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "Earle Horton" <apodo@gracioso.usa> wrote in message
> news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> > I've been without it for seven or eight years, excellent fuel mileage,

no
> > gas smell yet...
> >
> > Earle

>
>




Earle Horton 02-01-2007 08:31 PM

Re: Air box restrictor
 
It's got one of those CCV things.

Earle

"L.W. (Bill) ------ III" <----------@cox.net> wrote in message
news:52fhd8F1o8gpiU1@mid.individual.net...
> Hi Earle,
> Do you have the PCV valve in your valve cover?
> God Bless America, Bill 0|||||||0
> mailto:-------------------- http://www.----------.com/
>
> "Earle Horton" <apodo@gracioso.usa> wrote in message
> news:ZPCdnS2uYP57F1_YnZ2dnUVZ_u-unZ2d@comcast.com...
> > I've been without it for seven or eight years, excellent fuel mileage,

no
> > gas smell yet...
> >
> > Earle

>
>




L.W. \(Bill\) Hughes III 02-01-2007 08:44 PM

Re: Air box restrictor
 
Hi Earle,
Many have converted to the PCV to avoid the constant clogging of the
orifice at the intake: http://home.sprynet.com/~dale02/aircl.htm#pcv I think
it may even be a factory recall.
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:7c-dnWJvNPUoDF_YnZ2dnUVZ_vamnZ2d@comcast.com...
> It's got one of those CCV things.
>
> Earle




L.W. \(Bill\) Hughes III 02-01-2007 08:44 PM

Re: Air box restrictor
 
Hi Earle,
Many have converted to the PCV to avoid the constant clogging of the
orifice at the intake: http://home.sprynet.com/~dale02/aircl.htm#pcv I think
it may even be a factory recall.
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:7c-dnWJvNPUoDF_YnZ2dnUVZ_vamnZ2d@comcast.com...
> It's got one of those CCV things.
>
> Earle




L.W. \(Bill\) Hughes III 02-01-2007 08:44 PM

Re: Air box restrictor
 
Hi Earle,
Many have converted to the PCV to avoid the constant clogging of the
orifice at the intake: http://home.sprynet.com/~dale02/aircl.htm#pcv I think
it may even be a factory recall.
God Bless America, Bill 0|||||||0
mailto:-------------------- http://www.----------.com/

"Earle Horton" <apodo@gracioso.usa> wrote in message
news:7c-dnWJvNPUoDF_YnZ2dnUVZ_vamnZ2d@comcast.com...
> It's got one of those CCV things.
>
> Earle





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