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Tempinsane
September 24th, 2010, 15:25
what are the best plugs to run 96 xj 4.0 L with msd blaster coil and msd 8.5 plug wires
Talyn
September 24th, 2010, 17:13
stock plugs
tazz
September 25th, 2010, 20:51
I have E3's in everything I own and love them!!!
Mesh
September 26th, 2010, 08:50
NGK G-Power FR5GP. There are so many options everyone will have a different opinion on what the best is.
XJRunner
September 26th, 2010, 18:09
i just run autolite double platinums. nearly free with my discount at work lol
RenegadeStang
September 26th, 2010, 18:45
Champion Truck plugs.
CherBear
September 28th, 2010, 09:45
NGK G-Power FR5GP. There are so many options everyone will have a different opinion on what the best is.

And the performance differences between them are nominal at best... I would say it makes little difference what plugs you run.
Talyn
September 28th, 2010, 10:54
00-01 like the NGK better and that is what the factory specs for them. While I was chasing the typical hot/cold start misfiring issues I tried a set of champion truck plugs, which made the problem a bit worse.

The 4.0L just plain likes a standard copper plug. It doesn't care for the fancy multi electrode plugs and the like.
austinaubinoe
September 28th, 2010, 16:15
yeah I just run champion coppers.
Dr. Dyno
September 30th, 2010, 06:03
yeah I just run champion coppers.

Same here. Champion RC12LYC.
Johnnie Walker
September 30th, 2010, 12:16
Right now I have the accel plugs that were in my super-tune kit. but the champion coppers are what work well.