Nathan W. Collier

"Joshua Nelson" <spam_box@ev1.net> wrote in message
news:b102b6e4.0309051112.6b25e974@posting.google.c om...
> Ok I realize everyone thinks I am an idiot by now because I'm new to
> this but I really am trying to learn.

being new has nothing to do with it. dont argue with the voices of
experience and youll do fine.

> So, I admit, I don't know what
> "Timming" is. Could you please explain this to me. Thanks.

ignition timing is telling the spark plug when to fire in relation to piston
position. first off, do you understand the basic principles of how an ICE
(internal combustion engine) functions? lets figure out where youre at
first so we know where to start.

the good news joshua, is that by the time we're done with you, youll be able
to build your own jeep. :-)


--
Nathan W. Collier
http://7SlotGrille.com

Mike Romain

Joshua Nelson wrote:
>
> > I'm with Mike on this....the higher the octane the more timming you can run.
>
> Ok I realize everyone thinks I am an idiot by now because I'm new to
> this but I really am trying to learn. So, I admit, I don't know what
> "Timming" is. Could you please explain this to me. Thanks.

They are talking about the way I have my CJ7 engine set up. I have a
hot 'timing' curve on it, or hotter than stock anyway.

It is how much and how fast the timing advance is set up to.

I have my 258 tuned manually with no computer or knock sensor working on
it and a high voltage coil, an Accel SuperCoil.

If I use regular gas, my engine pings like crazy or I have to adjust the
timing to run it and it still pings. On a computer controlled engine,
the knock sensor adjusts for gas automatically by retarding the timing
if needed.

If I retard my timing to run on regular gas, my power and mileage go to
---- fast.

It makes about 100 miles per tank difference and about 1500 rpm or so
off the top end of each gear.

On my computer controlled Cherokee, there is no difference in mileage or
power running high test or regular.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Mike Romain

Joshua Nelson wrote:
>
> > I'm with Mike on this....the higher the octane the more timming you can run.
>
> Ok I realize everyone thinks I am an idiot by now because I'm new to
> this but I really am trying to learn. So, I admit, I don't know what
> "Timming" is. Could you please explain this to me. Thanks.

They are talking about the way I have my CJ7 engine set up. I have a
hot 'timing' curve on it, or hotter than stock anyway.

It is how much and how fast the timing advance is set up to.

I have my 258 tuned manually with no computer or knock sensor working on
it and a high voltage coil, an Accel SuperCoil.

If I use regular gas, my engine pings like crazy or I have to adjust the
timing to run it and it still pings. On a computer controlled engine,
the knock sensor adjusts for gas automatically by retarding the timing
if needed.

If I retard my timing to run on regular gas, my power and mileage go to
---- fast.

It makes about 100 miles per tank difference and about 1500 rpm or so
off the top end of each gear.

On my computer controlled Cherokee, there is no difference in mileage or
power running high test or regular.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Joe

I would suggest a visit to www.google.com and search on "engine timing" and
read...

"Joshua Nelson" <spam_box@ev1.net> wrote in message
news:b102b6e4.0309051112.f66f3ed@posting.google.co m...
> > I'm with Mike on this....the higher the octane the more timming you can
run.
>
>
> Ok I realize everyone thinks I am an idiot by now because I'm new to
> this but I really am trying to learn. So, I admit, I don't know what
> "Timming" is. Could you please explain this to me. Thanks.

Joe

I would suggest a visit to www.google.com and search on "engine timing" and
read...

"Joshua Nelson" <spam_box@ev1.net> wrote in message
news:b102b6e4.0309051112.f66f3ed@posting.google.co m...
> > I'm with Mike on this....the higher the octane the more timming you can
run.
>
>
> Ok I realize everyone thinks I am an idiot by now because I'm new to
> this but I really am trying to learn. So, I admit, I don't know what
> "Timming" is. Could you please explain this to me. Thanks.

Carlo Jr.

I think he has the basics - It takes someone with a more advanced knowledge
to determine that "timming" was an incorrectly spelled version of "timing".

--
Carlo F. Serusa, Jr. RPh
carlo.jr@comcast.net
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang


"Mike Romain" <romainm@sympatico.ca> wrote in message
news:3F58E84E.ED750D77@sympatico.ca...
> Joshua Nelson wrote:
> >
> > > I'm with Mike on this....the higher the octane the more timming you
can run.
> >
> > Ok I realize everyone thinks I am an idiot by now because I'm new to
> > this but I really am trying to learn. So, I admit, I don't know what
> > "Timming" is. Could you please explain this to me. Thanks.
>
> They are talking about the way I have my CJ7 engine set up. I have a
> hot 'timing' curve on it, or hotter than stock anyway.
>
> It is how much and how fast the timing advance is set up to.
>
> I have my 258 tuned manually with no computer or knock sensor working on
> it and a high voltage coil, an Accel SuperCoil.
>
> If I use regular gas, my engine pings like crazy or I have to adjust the
> timing to run it and it still pings. On a computer controlled engine,
> the knock sensor adjusts for gas automatically by retarding the timing
> if needed.
>
> If I retard my timing to run on regular gas, my power and mileage go to
> ---- fast.
>
> It makes about 100 miles per tank difference and about 1500 rpm or so
> off the top end of each gear.
>
> On my computer controlled Cherokee, there is no difference in mileage or
> power running high test or regular.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's

Carlo Jr.

I think he has the basics - It takes someone with a more advanced knowledge
to determine that "timming" was an incorrectly spelled version of "timing".

--
Carlo F. Serusa, Jr. RPh
carlo.jr@comcast.net
'98 Sahara TJ - '89 YJ - '79 Scout II
O|||||||O
'92 Explorer '65 Mustang


"Mike Romain" <romainm@sympatico.ca> wrote in message
news:3F58E84E.ED750D77@sympatico.ca...
> Joshua Nelson wrote:
> >
> > > I'm with Mike on this....the higher the octane the more timming you
can run.
> >
> > Ok I realize everyone thinks I am an idiot by now because I'm new to
> > this but I really am trying to learn. So, I admit, I don't know what
> > "Timming" is. Could you please explain this to me. Thanks.
>
> They are talking about the way I have my CJ7 engine set up. I have a
> hot 'timing' curve on it, or hotter than stock anyway.
>
> It is how much and how fast the timing advance is set up to.
>
> I have my 258 tuned manually with no computer or knock sensor working on
> it and a high voltage coil, an Accel SuperCoil.
>
> If I use regular gas, my engine pings like crazy or I have to adjust the
> timing to run it and it still pings. On a computer controlled engine,
> the knock sensor adjusts for gas automatically by retarding the timing
> if needed.
>
> If I retard my timing to run on regular gas, my power and mileage go to
> ---- fast.
>
> It makes about 100 miles per tank difference and about 1500 rpm or so
> off the top end of each gear.
>
> On my computer controlled Cherokee, there is no difference in mileage or
> power running high test or regular.
>
> Mike
> 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> 88 Cherokee 235 BFG AT's

Jeff Strickland

This is all well and good, but Josh (the OP) has a new SE which is the 4
banger, so he will get no benefit from high test gas. He would get much more
benefit from getting a good winch.




"Lon Stowell" <lon.stowell@comcast.net> wrote in message
news:aHP5b.265244$cF.82612@rwcrnsc53...
> Approximately 9/4/03 15:45, Mike Romain uttered for posterity:
>
> > Ummmm, Lon,
> >
> > That should be 'if the engine "has" a knock sensor' shouldn't it?
>
> Lets see.... if, not, no, well no
> yes knock sensor not. Or in other words, if your engine DOES
> have a knock sensor, it may benefit more from the higher octane
> than an engine without one.... IF [which is pretty rare] it was
> actually dropping engine performance due to sensed knock.
> >
> > I 'don't' have a working one and get 100 miles a tank difference between
> > 87 and 91 octane.
>
> A knock sensor results in modified ignition and mix... IF there
> is knocking, which surprisingly doesn't happen.
>
> I get different mileages per tankful simply by buying gas in
> one area versus another. Pretty consistent, and it is the
> same brand, just different geographical area.
>
> Besides, I *did* say anecdotes from credible sources.....
>
> Or in other words, "maybe".
>
>

Jeff Strickland

This is all well and good, but Josh (the OP) has a new SE which is the 4
banger, so he will get no benefit from high test gas. He would get much more
benefit from getting a good winch.




"Lon Stowell" <lon.stowell@comcast.net> wrote in message
news:aHP5b.265244$cF.82612@rwcrnsc53...
> Approximately 9/4/03 15:45, Mike Romain uttered for posterity:
>
> > Ummmm, Lon,
> >
> > That should be 'if the engine "has" a knock sensor' shouldn't it?
>
> Lets see.... if, not, no, well no
> yes knock sensor not. Or in other words, if your engine DOES
> have a knock sensor, it may benefit more from the higher octane
> than an engine without one.... IF [which is pretty rare] it was
> actually dropping engine performance due to sensed knock.
> >
> > I 'don't' have a working one and get 100 miles a tank difference between
> > 87 and 91 octane.
>
> A knock sensor results in modified ignition and mix... IF there
> is knocking, which surprisingly doesn't happen.
>
> I get different mileages per tankful simply by buying gas in
> one area versus another. Pretty consistent, and it is the
> same brand, just different geographical area.
>
> Besides, I *did* say anecdotes from credible sources.....
>
> Or in other words, "maybe".
>
>

Jeff Strickland

"Nathan W. Collier" <JeepTalk@7SlotGrille.com> wrote in message
news:mPO5b.7500$rb3.143942@twister.southeast.rr.co m...
> "Joshua Nelson" <spam_box@ev1.net> wrote in message
> news:b102b6e4.0309041313.3539f82d@posting.google.c om...
> > Just wondering what the prevailing wisdom is on running higher octane
> > fuel and/or synthetic oil in a vehicle that sees off road use
>
> hi joshua,
> run 87 octane and dyno oil. the money saved goes a long way in jeep mods
> that will make a _real_ difference that you will appreciate every time you
> go off road.
>

Yeah, like a winch.