TJ engine swap - 4.0 to something with better MPG?
Guest
Posts: n/a
Hi Rich,
You know none of the Military absentee ballots were counted from
Florida for the presidential election, here's hoping yours from the east
coast are counted in San Diego.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Harris Family wrote:
>
> I'll second that...
You know none of the Military absentee ballots were counted from
Florida for the presidential election, here's hoping yours from the east
coast are counted in San Diego.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Harris Family wrote:
>
> I'll second that...
Guest
Posts: n/a
Hi Rich,
You know none of the Military absentee ballots were counted from
Florida for the presidential election, here's hoping yours from the east
coast are counted in San Diego.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Harris Family wrote:
>
> I'll second that...
You know none of the Military absentee ballots were counted from
Florida for the presidential election, here's hoping yours from the east
coast are counted in San Diego.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Harris Family wrote:
>
> I'll second that...
Guest
Posts: n/a
Hi Rich,
You know none of the Military absentee ballots were counted from
Florida for the presidential election, here's hoping yours from the east
coast are counted in San Diego.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Harris Family wrote:
>
> I'll second that...
You know none of the Military absentee ballots were counted from
Florida for the presidential election, here's hoping yours from the east
coast are counted in San Diego.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Harris Family wrote:
>
> I'll second that...
Guest
Posts: n/a
Please tell me there is a God & he will look down upon us on that day.....
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
Guest
Posts: n/a
Please tell me there is a God & he will look down upon us on that day.....
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
Guest
Posts: n/a
Please tell me there is a God & he will look down upon us on that day.....
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
Guest
Posts: n/a
Please tell me there is a God & he will look down upon us on that day.....
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
--
Carlo F. Serusa, Jr. RPh
carlo.jr at comcast DOTnet
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang
"L.W. (ßill) ------ III" <----------@***.net> wrote in message
news:412AB121.718AB43C@***.net...
> I can hardly wait for November, when we get rid of Kalifornia's
> bleeding heart liberals, Boxer and Feinstein.
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Matt Macchiarolo wrote:
> >
> > Harris, it's an election year, civility goes out the window...
> >
> > ;-)
Guest
Posts: n/a
Man I must be lucky cause I get about 16-18 around town with 31's and 2"
lift on a 04 TJ 6 Cyl auto!
--
Tim
[____]
(OIIIIIIO)
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:8S2Wc.125987$sh.71214@fed1read06...
> 12-14 around town and 16 on the freeway is NORMAL for a Wrangler. It's
> neither low nor high. My own Wrangler, built, gets right around 12.5 to
13
> mpg all-around driving with obviously a bit more on the highway if I keep
my
> speed down. The big issue is the Wrangler's barn door aerodynamics which
> don't help with fuel economy. Even the Grand Cherokee with the same
engine
> will get better fuel economy due to it's vastly better aerodynamics.
>
> The bottom line is that it's a Jeep Wrangler that is built for offroading,
> it's not an econo-box or car that has more going for it so far as having
> more potential for better economy. Once again... if you can't live with
> that fuel economy, it's time to get something else to drive.... Jeeps
aren't
> for you.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "DougW" <post.replies@invalid.address> wrote in message
> news:lH2Wc.57830$wo.52540@okepread06...
> > munchiechee did pass the time by typing:
> > > I have a 97 TJ 4.0/manual thats been great on road and off - the only
> > > consistent problem I have with the Jeep is the MPGs, way less than
> > > advertised, I'm averaging 12-14 in city and about 16 on freeway.
> > >
> > > I've checked everything out possible, and even taken it to the
> > > stealer; either I have a very heavy foot or I just have a thirsty
> > > jeep.
> >
> > What you would spend on doing this would be much much much much much
> > more than what you would save on fuel. As Hesco says, "Speed costs
> > money, how fast do you want to go?"
> >
> > Your 4.0 should be getting better than that. Let's start off with
> > the basics.
> >
> > Plugs, Wires, Rotor, Cap
> >
> > Clean the IAP http://members.***.net/wilsond/tb/tb.html
> >
> > If the plugs show rich (excess carbon) then you should replace
> > the O2 sensor. Yes, it can set a code but the O2 sensor will drift
> > off long before any codes get set.
> >
> > Depending on how long you have ran the cat might need replacement.
> >
> > You should also check your exhaust header for cracks. The 4.0 header
> > is notorious for this. You know it's cracked when the engine sounds
> > like a diesel or you start getting what sounds like lifter noise.
> >
> > Switch out to full synthetic if you haven't already, that's good for
> > a teeny improvement.
> >
> > But by and far the best way to reduce fuel use is to take it slow and
> > easy. The goal on the highway is to not have to use the brakes. And
> > try not to beat folks to a red light. :) I tried driving like that for
> > a couple of tanks and it made a 4mpg difference in my city driving.
> > (then again my ZJ can gulp fuel)
> >
> > --
> > -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
> > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> > Banks Header - and BEER, in the fridge!
> >
> >
>
>
lift on a 04 TJ 6 Cyl auto!
--
Tim
[____]
(OIIIIIIO)
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:8S2Wc.125987$sh.71214@fed1read06...
> 12-14 around town and 16 on the freeway is NORMAL for a Wrangler. It's
> neither low nor high. My own Wrangler, built, gets right around 12.5 to
13
> mpg all-around driving with obviously a bit more on the highway if I keep
my
> speed down. The big issue is the Wrangler's barn door aerodynamics which
> don't help with fuel economy. Even the Grand Cherokee with the same
engine
> will get better fuel economy due to it's vastly better aerodynamics.
>
> The bottom line is that it's a Jeep Wrangler that is built for offroading,
> it's not an econo-box or car that has more going for it so far as having
> more potential for better economy. Once again... if you can't live with
> that fuel economy, it's time to get something else to drive.... Jeeps
aren't
> for you.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "DougW" <post.replies@invalid.address> wrote in message
> news:lH2Wc.57830$wo.52540@okepread06...
> > munchiechee did pass the time by typing:
> > > I have a 97 TJ 4.0/manual thats been great on road and off - the only
> > > consistent problem I have with the Jeep is the MPGs, way less than
> > > advertised, I'm averaging 12-14 in city and about 16 on freeway.
> > >
> > > I've checked everything out possible, and even taken it to the
> > > stealer; either I have a very heavy foot or I just have a thirsty
> > > jeep.
> >
> > What you would spend on doing this would be much much much much much
> > more than what you would save on fuel. As Hesco says, "Speed costs
> > money, how fast do you want to go?"
> >
> > Your 4.0 should be getting better than that. Let's start off with
> > the basics.
> >
> > Plugs, Wires, Rotor, Cap
> >
> > Clean the IAP http://members.***.net/wilsond/tb/tb.html
> >
> > If the plugs show rich (excess carbon) then you should replace
> > the O2 sensor. Yes, it can set a code but the O2 sensor will drift
> > off long before any codes get set.
> >
> > Depending on how long you have ran the cat might need replacement.
> >
> > You should also check your exhaust header for cracks. The 4.0 header
> > is notorious for this. You know it's cracked when the engine sounds
> > like a diesel or you start getting what sounds like lifter noise.
> >
> > Switch out to full synthetic if you haven't already, that's good for
> > a teeny improvement.
> >
> > But by and far the best way to reduce fuel use is to take it slow and
> > easy. The goal on the highway is to not have to use the brakes. And
> > try not to beat folks to a red light. :) I tried driving like that for
> > a couple of tanks and it made a 4mpg difference in my city driving.
> > (then again my ZJ can gulp fuel)
> >
> > --
> > -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
> > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> > Banks Header - and BEER, in the fridge!
> >
> >
>
>
Guest
Posts: n/a
Man I must be lucky cause I get about 16-18 around town with 31's and 2"
lift on a 04 TJ 6 Cyl auto!
--
Tim
[____]
(OIIIIIIO)
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:8S2Wc.125987$sh.71214@fed1read06...
> 12-14 around town and 16 on the freeway is NORMAL for a Wrangler. It's
> neither low nor high. My own Wrangler, built, gets right around 12.5 to
13
> mpg all-around driving with obviously a bit more on the highway if I keep
my
> speed down. The big issue is the Wrangler's barn door aerodynamics which
> don't help with fuel economy. Even the Grand Cherokee with the same
engine
> will get better fuel economy due to it's vastly better aerodynamics.
>
> The bottom line is that it's a Jeep Wrangler that is built for offroading,
> it's not an econo-box or car that has more going for it so far as having
> more potential for better economy. Once again... if you can't live with
> that fuel economy, it's time to get something else to drive.... Jeeps
aren't
> for you.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "DougW" <post.replies@invalid.address> wrote in message
> news:lH2Wc.57830$wo.52540@okepread06...
> > munchiechee did pass the time by typing:
> > > I have a 97 TJ 4.0/manual thats been great on road and off - the only
> > > consistent problem I have with the Jeep is the MPGs, way less than
> > > advertised, I'm averaging 12-14 in city and about 16 on freeway.
> > >
> > > I've checked everything out possible, and even taken it to the
> > > stealer; either I have a very heavy foot or I just have a thirsty
> > > jeep.
> >
> > What you would spend on doing this would be much much much much much
> > more than what you would save on fuel. As Hesco says, "Speed costs
> > money, how fast do you want to go?"
> >
> > Your 4.0 should be getting better than that. Let's start off with
> > the basics.
> >
> > Plugs, Wires, Rotor, Cap
> >
> > Clean the IAP http://members.***.net/wilsond/tb/tb.html
> >
> > If the plugs show rich (excess carbon) then you should replace
> > the O2 sensor. Yes, it can set a code but the O2 sensor will drift
> > off long before any codes get set.
> >
> > Depending on how long you have ran the cat might need replacement.
> >
> > You should also check your exhaust header for cracks. The 4.0 header
> > is notorious for this. You know it's cracked when the engine sounds
> > like a diesel or you start getting what sounds like lifter noise.
> >
> > Switch out to full synthetic if you haven't already, that's good for
> > a teeny improvement.
> >
> > But by and far the best way to reduce fuel use is to take it slow and
> > easy. The goal on the highway is to not have to use the brakes. And
> > try not to beat folks to a red light. :) I tried driving like that for
> > a couple of tanks and it made a 4mpg difference in my city driving.
> > (then again my ZJ can gulp fuel)
> >
> > --
> > -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
> > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> > Banks Header - and BEER, in the fridge!
> >
> >
>
>
lift on a 04 TJ 6 Cyl auto!
--
Tim
[____]
(OIIIIIIO)
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:8S2Wc.125987$sh.71214@fed1read06...
> 12-14 around town and 16 on the freeway is NORMAL for a Wrangler. It's
> neither low nor high. My own Wrangler, built, gets right around 12.5 to
13
> mpg all-around driving with obviously a bit more on the highway if I keep
my
> speed down. The big issue is the Wrangler's barn door aerodynamics which
> don't help with fuel economy. Even the Grand Cherokee with the same
engine
> will get better fuel economy due to it's vastly better aerodynamics.
>
> The bottom line is that it's a Jeep Wrangler that is built for offroading,
> it's not an econo-box or car that has more going for it so far as having
> more potential for better economy. Once again... if you can't live with
> that fuel economy, it's time to get something else to drive.... Jeeps
aren't
> for you.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "DougW" <post.replies@invalid.address> wrote in message
> news:lH2Wc.57830$wo.52540@okepread06...
> > munchiechee did pass the time by typing:
> > > I have a 97 TJ 4.0/manual thats been great on road and off - the only
> > > consistent problem I have with the Jeep is the MPGs, way less than
> > > advertised, I'm averaging 12-14 in city and about 16 on freeway.
> > >
> > > I've checked everything out possible, and even taken it to the
> > > stealer; either I have a very heavy foot or I just have a thirsty
> > > jeep.
> >
> > What you would spend on doing this would be much much much much much
> > more than what you would save on fuel. As Hesco says, "Speed costs
> > money, how fast do you want to go?"
> >
> > Your 4.0 should be getting better than that. Let's start off with
> > the basics.
> >
> > Plugs, Wires, Rotor, Cap
> >
> > Clean the IAP http://members.***.net/wilsond/tb/tb.html
> >
> > If the plugs show rich (excess carbon) then you should replace
> > the O2 sensor. Yes, it can set a code but the O2 sensor will drift
> > off long before any codes get set.
> >
> > Depending on how long you have ran the cat might need replacement.
> >
> > You should also check your exhaust header for cracks. The 4.0 header
> > is notorious for this. You know it's cracked when the engine sounds
> > like a diesel or you start getting what sounds like lifter noise.
> >
> > Switch out to full synthetic if you haven't already, that's good for
> > a teeny improvement.
> >
> > But by and far the best way to reduce fuel use is to take it slow and
> > easy. The goal on the highway is to not have to use the brakes. And
> > try not to beat folks to a red light. :) I tried driving like that for
> > a couple of tanks and it made a 4mpg difference in my city driving.
> > (then again my ZJ can gulp fuel)
> >
> > --
> > -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
> > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> > Banks Header - and BEER, in the fridge!
> >
> >
>
>
Guest
Posts: n/a
Man I must be lucky cause I get about 16-18 around town with 31's and 2"
lift on a 04 TJ 6 Cyl auto!
--
Tim
[____]
(OIIIIIIO)
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:8S2Wc.125987$sh.71214@fed1read06...
> 12-14 around town and 16 on the freeway is NORMAL for a Wrangler. It's
> neither low nor high. My own Wrangler, built, gets right around 12.5 to
13
> mpg all-around driving with obviously a bit more on the highway if I keep
my
> speed down. The big issue is the Wrangler's barn door aerodynamics which
> don't help with fuel economy. Even the Grand Cherokee with the same
engine
> will get better fuel economy due to it's vastly better aerodynamics.
>
> The bottom line is that it's a Jeep Wrangler that is built for offroading,
> it's not an econo-box or car that has more going for it so far as having
> more potential for better economy. Once again... if you can't live with
> that fuel economy, it's time to get something else to drive.... Jeeps
aren't
> for you.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "DougW" <post.replies@invalid.address> wrote in message
> news:lH2Wc.57830$wo.52540@okepread06...
> > munchiechee did pass the time by typing:
> > > I have a 97 TJ 4.0/manual thats been great on road and off - the only
> > > consistent problem I have with the Jeep is the MPGs, way less than
> > > advertised, I'm averaging 12-14 in city and about 16 on freeway.
> > >
> > > I've checked everything out possible, and even taken it to the
> > > stealer; either I have a very heavy foot or I just have a thirsty
> > > jeep.
> >
> > What you would spend on doing this would be much much much much much
> > more than what you would save on fuel. As Hesco says, "Speed costs
> > money, how fast do you want to go?"
> >
> > Your 4.0 should be getting better than that. Let's start off with
> > the basics.
> >
> > Plugs, Wires, Rotor, Cap
> >
> > Clean the IAP http://members.***.net/wilsond/tb/tb.html
> >
> > If the plugs show rich (excess carbon) then you should replace
> > the O2 sensor. Yes, it can set a code but the O2 sensor will drift
> > off long before any codes get set.
> >
> > Depending on how long you have ran the cat might need replacement.
> >
> > You should also check your exhaust header for cracks. The 4.0 header
> > is notorious for this. You know it's cracked when the engine sounds
> > like a diesel or you start getting what sounds like lifter noise.
> >
> > Switch out to full synthetic if you haven't already, that's good for
> > a teeny improvement.
> >
> > But by and far the best way to reduce fuel use is to take it slow and
> > easy. The goal on the highway is to not have to use the brakes. And
> > try not to beat folks to a red light. :) I tried driving like that for
> > a couple of tanks and it made a 4mpg difference in my city driving.
> > (then again my ZJ can gulp fuel)
> >
> > --
> > -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
> > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> > Banks Header - and BEER, in the fridge!
> >
> >
>
>
lift on a 04 TJ 6 Cyl auto!
--
Tim
[____]
(OIIIIIIO)
"Jerry Bransford" <jerrypb@***.net> wrote in message
news:8S2Wc.125987$sh.71214@fed1read06...
> 12-14 around town and 16 on the freeway is NORMAL for a Wrangler. It's
> neither low nor high. My own Wrangler, built, gets right around 12.5 to
13
> mpg all-around driving with obviously a bit more on the highway if I keep
my
> speed down. The big issue is the Wrangler's barn door aerodynamics which
> don't help with fuel economy. Even the Grand Cherokee with the same
engine
> will get better fuel economy due to it's vastly better aerodynamics.
>
> The bottom line is that it's a Jeep Wrangler that is built for offroading,
> it's not an econo-box or car that has more going for it so far as having
> more potential for better economy. Once again... if you can't live with
> that fuel economy, it's time to get something else to drive.... Jeeps
aren't
> for you.
>
> Jerry
> --
> Jerry Bransford
> PP-ASEL N6TAY
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> "DougW" <post.replies@invalid.address> wrote in message
> news:lH2Wc.57830$wo.52540@okepread06...
> > munchiechee did pass the time by typing:
> > > I have a 97 TJ 4.0/manual thats been great on road and off - the only
> > > consistent problem I have with the Jeep is the MPGs, way less than
> > > advertised, I'm averaging 12-14 in city and about 16 on freeway.
> > >
> > > I've checked everything out possible, and even taken it to the
> > > stealer; either I have a very heavy foot or I just have a thirsty
> > > jeep.
> >
> > What you would spend on doing this would be much much much much much
> > more than what you would save on fuel. As Hesco says, "Speed costs
> > money, how fast do you want to go?"
> >
> > Your 4.0 should be getting better than that. Let's start off with
> > the basics.
> >
> > Plugs, Wires, Rotor, Cap
> >
> > Clean the IAP http://members.***.net/wilsond/tb/tb.html
> >
> > If the plugs show rich (excess carbon) then you should replace
> > the O2 sensor. Yes, it can set a code but the O2 sensor will drift
> > off long before any codes get set.
> >
> > Depending on how long you have ran the cat might need replacement.
> >
> > You should also check your exhaust header for cracks. The 4.0 header
> > is notorious for this. You know it's cracked when the engine sounds
> > like a diesel or you start getting what sounds like lifter noise.
> >
> > Switch out to full synthetic if you haven't already, that's good for
> > a teeny improvement.
> >
> > But by and far the best way to reduce fuel use is to take it slow and
> > easy. The goal on the highway is to not have to use the brakes. And
> > try not to beat folks to a red light. :) I tried driving like that for
> > a couple of tanks and it made a 4mpg difference in my city driving.
> > (then again my ZJ can gulp fuel)
> >
> > --
> > -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
> > HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
> > Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
> > Banks Header - and BEER, in the fridge!
> >
> >
>
>


