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JOCCI Forum > Public Area > Technical - Questions > Spark plugs
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Author Topic: Spark plugs  (Read 146 times)
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BLKJEEP
JOCCI Member
Jeep Freak
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Posts: 139


Jeramie
« on: March 09, 2010, 08:23:56 AM »
Going to be doing a little maintenance this week. Just changing the oil, diff fluid, and looking to change the spark plugs. Anyone had bad luck or been happier with a certain brand of plugs for the straight 6?
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03 TJ Rubicon 31in MT/Rs lockers....
MatthewG
JOCCI Board Member
Jeep Freak
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Posts: 259
« Reply #1 on: March 09, 2010, 04:21:31 PM »
Champion Truck plugs are the way to go for the 4.0.  People that try to use Bosch Platinums or anything fancy usually find that they hurt the performance of the ancient motor...
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TJ Sahara RE3.5SF & 33" STT
WJ Limited
josh97
JOCCI Member
Jeep Freak
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Posts: 631


Hey yall watch this!!!!!!!
« Reply #2 on: March 09, 2010, 05:00:50 PM »
champion or autolite... about all i use in a jeep...
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78 Cj 5,4in lift,34in ltbs,t150,dana20,258,4.10's,trac lok,and a rust free frame!!!!!
btam13
JOCCI Member
Trail Rated
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Posts: 74
« Reply #3 on: March 09, 2010, 08:43:27 PM »
X2 for the champion truck plugs.  I even had really good luck with them in a SB chevy engine.
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Gun Free Zones = Target Rich Environments
Citizens Are Armed, Subjects are Dis-Armed

1990 XJ 4.0 AW4 NP231.  Cut n tucked front and rear wheel wells.  Cut n tucked rear quarters.  1.5" rear shackl
Cowboy
JOCCI Member
Skilled
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Posts: 45
« Reply #4 on: March 09, 2010, 09:04:15 PM »
champion
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colemany
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Posts: 801


If you break both legs don't come running to me.
« Reply #5 on: March 10, 2010, 08:26:54 AM »
Champion Truck Plugs #4412
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98 XJ 4.5" on 32" MT's, front Aussie
06 XK DD
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