Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

I re-adjusted the timing to 8 at idle, and it is running like a bat
outta you know where right now. However, it has the pinging again. Any
suggestions there or should I start a new thread?
Thanks to everyone for helping me with this! It's SO nice to have my
Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

I re-adjusted the timing to 8 at idle, and it is running like a bat
outta you know where right now. However, it has the pinging again. Any
suggestions there or should I start a new thread?
Thanks to everyone for helping me with this! It's SO nice to have my
Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

I re-adjusted the timing to 8 at idle, and it is running like a bat
outta you know where right now. However, it has the pinging again. Any
suggestions there or should I start a new thread?
Thanks to everyone for helping me with this! It's SO nice to have my
Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Next I would de-carbon it.

There are two fluids that work well, one is ATF, the other is apparently
water. I only have first hand experience with the ATF and that makes
the insides of the cylinder in brand new clean shape. I have been told
by a 'lot' of folks that the same amount (one pint) of water will do the
same.

You take a hot engine, open the air filter and with your hand on the
throttle to keep it above a stall you 'slowly' trickle the fluid into
the carb. Go very slow and keep the revs up so it doesn't stall. Once
the fluid has all gone in and the smoke has cleared so you can see the
ground again, you are good to go.

The ATF 'will' put out massive amounts of thick white smoke, so warn
your neighbors first or you are likely to see fire trucks coming... ;-)

The water apparently doesn't smoke at all but does the same job if
poured in the same way.

When do you see the ping? Do you get any run on at all when the key is
shut off?

I do see a ping if climbing a long hill at say 60 mph in 4th gear. That
is a normal load ping and is acceptable. It is telling me I really
should be in 3rd for that speed and load range. (for my 3.31 gears and
33" tires, it is telling me correct)

If I hit the same hill at 70 mph in 4th, no ping. I tried my timing at
5 or 6 because of overheating and the ping was gone along with the
power. My overheating was a water pump with a slipping impeller.

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

Chris Hill wrote:
>
> I re-adjusted the timing to 8 at idle, and it is running like a bat
> outta you know where right now. However, it has the pinging again. Any
> suggestions there or should I start a new thread?
> Thanks to everyone for helping me with this! It's SO nice to have my
> Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Next I would de-carbon it.

There are two fluids that work well, one is ATF, the other is apparently
water. I only have first hand experience with the ATF and that makes
the insides of the cylinder in brand new clean shape. I have been told
by a 'lot' of folks that the same amount (one pint) of water will do the
same.

You take a hot engine, open the air filter and with your hand on the
throttle to keep it above a stall you 'slowly' trickle the fluid into
the carb. Go very slow and keep the revs up so it doesn't stall. Once
the fluid has all gone in and the smoke has cleared so you can see the
ground again, you are good to go.

The ATF 'will' put out massive amounts of thick white smoke, so warn
your neighbors first or you are likely to see fire trucks coming... ;-)

The water apparently doesn't smoke at all but does the same job if
poured in the same way.

When do you see the ping? Do you get any run on at all when the key is
shut off?

I do see a ping if climbing a long hill at say 60 mph in 4th gear. That
is a normal load ping and is acceptable. It is telling me I really
should be in 3rd for that speed and load range. (for my 3.31 gears and
33" tires, it is telling me correct)

If I hit the same hill at 70 mph in 4th, no ping. I tried my timing at
5 or 6 because of overheating and the ping was gone along with the
power. My overheating was a water pump with a slipping impeller.

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

Chris Hill wrote:
>
> I re-adjusted the timing to 8 at idle, and it is running like a bat
> outta you know where right now. However, it has the pinging again. Any
> suggestions there or should I start a new thread?
> Thanks to everyone for helping me with this! It's SO nice to have my
> Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Next I would de-carbon it.

There are two fluids that work well, one is ATF, the other is apparently
water. I only have first hand experience with the ATF and that makes
the insides of the cylinder in brand new clean shape. I have been told
by a 'lot' of folks that the same amount (one pint) of water will do the
same.

You take a hot engine, open the air filter and with your hand on the
throttle to keep it above a stall you 'slowly' trickle the fluid into
the carb. Go very slow and keep the revs up so it doesn't stall. Once
the fluid has all gone in and the smoke has cleared so you can see the
ground again, you are good to go.

The ATF 'will' put out massive amounts of thick white smoke, so warn
your neighbors first or you are likely to see fire trucks coming... ;-)

The water apparently doesn't smoke at all but does the same job if
poured in the same way.

When do you see the ping? Do you get any run on at all when the key is
shut off?

I do see a ping if climbing a long hill at say 60 mph in 4th gear. That
is a normal load ping and is acceptable. It is telling me I really
should be in 3rd for that speed and load range. (for my 3.31 gears and
33" tires, it is telling me correct)

If I hit the same hill at 70 mph in 4th, no ping. I tried my timing at
5 or 6 because of overheating and the ping was gone along with the
power. My overheating was a water pump with a slipping impeller.

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

Chris Hill wrote:
>
> I re-adjusted the timing to 8 at idle, and it is running like a bat
> outta you know where right now. However, it has the pinging again. Any
> suggestions there or should I start a new thread?
> Thanks to everyone for helping me with this! It's SO nice to have my
> Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Next I would de-carbon it.

There are two fluids that work well, one is ATF, the other is apparently
water. I only have first hand experience with the ATF and that makes
the insides of the cylinder in brand new clean shape. I have been told
by a 'lot' of folks that the same amount (one pint) of water will do the
same.

You take a hot engine, open the air filter and with your hand on the
throttle to keep it above a stall you 'slowly' trickle the fluid into
the carb. Go very slow and keep the revs up so it doesn't stall. Once
the fluid has all gone in and the smoke has cleared so you can see the
ground again, you are good to go.

The ATF 'will' put out massive amounts of thick white smoke, so warn
your neighbors first or you are likely to see fire trucks coming... ;-)

The water apparently doesn't smoke at all but does the same job if
poured in the same way.

When do you see the ping? Do you get any run on at all when the key is
shut off?

I do see a ping if climbing a long hill at say 60 mph in 4th gear. That
is a normal load ping and is acceptable. It is telling me I really
should be in 3rd for that speed and load range. (for my 3.31 gears and
33" tires, it is telling me correct)

If I hit the same hill at 70 mph in 4th, no ping. I tried my timing at
5 or 6 because of overheating and the ping was gone along with the
power. My overheating was a water pump with a slipping impeller.

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

Chris Hill wrote:
>
> I re-adjusted the timing to 8 at idle, and it is running like a bat
> outta you know where right now. However, it has the pinging again. Any
> suggestions there or should I start a new thread?
> Thanks to everyone for helping me with this! It's SO nice to have my
> Jeep back!!

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Well I think it's back going good, even with the appropriate ping. I
filled it up today w/ 93 octane and there is no ping any more except
when I am lugging it uphill in too high of a gear. There is no run on
when I shut the key off, so apparently the timing is good. I am going
to go ahead and try either the water or the ATF idea to clean up any
carbon buildup I might have, but other than that I'm just going to
enjoy driving it!
Thanks again Mike, you've been a big help!
Chris

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Well I think it's back going good, even with the appropriate ping. I
filled it up today w/ 93 octane and there is no ping any more except
when I am lugging it uphill in too high of a gear. There is no run on
when I shut the key off, so apparently the timing is good. I am going
to go ahead and try either the water or the ATF idea to clean up any
carbon buildup I might have, but other than that I'm just going to
enjoy driving it!
Thanks again Mike, you've been a big help!
Chris

Re: Jeep CJ 258 Acceleration Issues. Please Help!
 

Well I think it's back going good, even with the appropriate ping. I
filled it up today w/ 93 octane and there is no ping any more except
when I am lugging it uphill in too high of a gear. There is no run on
when I shut the key off, so apparently the timing is good. I am going
to go ahead and try either the water or the ATF idea to clean up any
carbon buildup I might have, but other than that I'm just going to
enjoy driving it!
Thanks again Mike, you've been a big help!
Chris