New To The Forum..Here Is My Jeep
#16
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Model: Cherokee
ok but they seem so much closer then the ones that are in there now...
i just checked the old one and the new ones...the new ones are about 40 and the old ones are about 70 gap
i just checked the old one and the new ones...the new ones are about 40 and the old ones are about 70 gap
#19
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Year: 1989
Model: Cherokee
Engine: 4.0 L
i dont think the brand matters, i use bosch, personal preference really! does your jeep have a distributer? or is it electronic ignition? looks like the gap should be.035
Last edited by digdug; 01-15-2009 at 06:37 PM.
#20
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Year: 1989
Model: Cherokee
Engine: 4.0 L
hey surfer check out this page may help you a little
http://www.jeepz.com/forum/engine/16...ine-specs.html
http://www.jeepz.com/forum/engine/16...ine-specs.html
#21
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Model: Cherokee
#23
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Location: Sticks, NC
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Year: 1994
Model: Cherokee
Engine: 4.0
Nice Heep!! and welcome to CF!!
As always i use Champion, if its a dodge/chrysler or Jeep ive always run Champs. Cheap and good as any other. Good Luck!
As always i use Champion, if its a dodge/chrysler or Jeep ive always run Champs. Cheap and good as any other. Good Luck!
#24
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Model: Cherokee
ok i have a big problem...
i filled up my truck twice and im oly getting like 200-220 miles to a tank and im driving 70-80 on the freeway
i have 31x10.5 inch tires the max psi is 50 i have them on 40psi
i have a flowmaster muffler stock cat drop in K&N filter and i cut part of the bottom of the box for more air i cleaned my throttle and ran sea foam
i also changed my oil with mobile 1 10/30 and put new spark plugs in and the gap is 35
so why am i getting such crappy mpg??
i filled up my truck twice and im oly getting like 200-220 miles to a tank and im driving 70-80 on the freeway
i have 31x10.5 inch tires the max psi is 50 i have them on 40psi
i have a flowmaster muffler stock cat drop in K&N filter and i cut part of the bottom of the box for more air i cleaned my throttle and ran sea foam
i also changed my oil with mobile 1 10/30 and put new spark plugs in and the gap is 35
so why am i getting such crappy mpg??
#25
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Year: 1996
Model: Cherokee
Engine: 4.0L HO
mmm seafoam. Its good stuff. I get around 200 to the tank in mine. I have 33's but my mileage is around 1.5 miles slow for every 1 mile so if my math is correct for every 6 or so miles I go I can add 1 more mile to the odometer. So if I have 200 on it when I fill up I would divide that by 6, I would then get 33.3 which means I should be gaining 33 miles at 200, for the end result of 233 total miles to the tank. Sounds like your in the ball park if not better!
This is on a 75K HO motor with an airaid intake for the only engine mod. Plus dont waist your money on "better" spark plugs. Use NGK or Autolite. If you want the best plugs then go to iridium and not waist your money on all the other again "better" plugs. Those are the best and last a long time, but cost around 10-15 a plug If memory serves.
This is on a 75K HO motor with an airaid intake for the only engine mod. Plus dont waist your money on "better" spark plugs. Use NGK or Autolite. If you want the best plugs then go to iridium and not waist your money on all the other again "better" plugs. Those are the best and last a long time, but cost around 10-15 a plug If memory serves.
Last edited by fivendime; 01-17-2009 at 02:06 AM.
#27
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Model: Cherokee
i was reading up on stuff about jeeps and i came upon this ...
http://www.4wheeloffroad.com/brandpa.../photo_07.html
it says 65 gap? im at 35? so should i gap mine at 65? that would explain why my old ones were at 70
http://www.4wheeloffroad.com/brandpa.../photo_07.html
it says 65 gap? im at 35? so should i gap mine at 65? that would explain why my old ones were at 70
#28
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Year: 1992, 2- 1998 (All 3, 4 Doors)
Model: Cherokee
Engine: 4.0L in all
You running those wires from Performance Dist. and that coil they have?
I say no. Increasing the gap allows the coil to build up a bit more of a charge before firing off to the plug. It will shorten the life of a coil not designed to do it. Plus, they're using Bosch plugs... These things run like raped apes on Champions. If you want to pump a gap that high, get a HP cap & rotor, new coil, new wires, and I'd say a MSD box. And be ready to eat plugs and coils...
I say no. Increasing the gap allows the coil to build up a bit more of a charge before firing off to the plug. It will shorten the life of a coil not designed to do it. Plus, they're using Bosch plugs... These things run like raped apes on Champions. If you want to pump a gap that high, get a HP cap & rotor, new coil, new wires, and I'd say a MSD box. And be ready to eat plugs and coils...
#30
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Year: 1990XJ/1989MJ
Model: Comanche
Engine: 4.0L Renix
No K&N airfilters. They flow well b/c they are too pourous. Jeep likes cheap Champion plugs gapped at 0.35.