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View Full Version : what plugs for 350



350hawk
08-01-2002, 09:50 PM
What are the best performance plugs and heat range for the 350. I have run ac 44s and i have rapid fire #2s in right now.

GSXMEN
08-01-2002, 10:35 PM
Personally, I like the design of the Rapid Fire plugs.:TU: After talking to some of the techs at Jacobs Electronics back when the R.F.'s came out, they seemed to think they were a good plug. They didn't have as nice things to say about the Split Fire stuff though!:Brow:

Having a 'bullet proof' ignition (better coil, module, etc.) is probably more important than which brand of plug you use.

gscalifornia
08-02-2002, 08:06 AM
I've been running AC R42LTS in my 350 for awhile and it seems to like them. The "L" stands for long and they do stick down into the cylinder, but I was told that just bumps the compression up a little.

Ken