#73835, "Hotter plugs = misfires" Apr-30-04 11:59 AM by netrelik
Well I finally got some free time and did a nice little tune-up. Changed my oil and oil filter, used a can of C.C.C., ran a compression test(210,210,205,200), fuel injector cleaner/octane booster, and installed new ngk plugs - one range hotter. She is running a LOT better now...except for she is now misfiring at low rpms. At first I thought it was the octane booster but I refilled and it still does it. I have tried gapping them at .065 and .055 and it isn't helping. Why would getting hotter plugs, cause a newfound misfire problem? Anyone?
#73837, "RE: Hotter plugs = misfires" In response to Reply # 1
Gap them smaller. try .045
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'95 Eclipse TurboGS (garage deco) '95 TSi AWD (restoring a survivor) '97 Talon ESi-T (poor impulse control) '99 Eclipse RS-T (daily beater) '13 Evo X (mostly stock) '17 Sienna (Middle Aged Dad Mobile)
#73869, "RE: Hotter plugs = misfires" In response to Reply # 5
i'm using the MSD coilpack (stock replacement) and magnecor wires along with 5E's and i have no problem. had a major problem, but that was my factory coilpack taking a huge dump on me.
#73899, "RE: Hotter plugs = misfires" In response to Reply # 6
It's probably your gap. .065 and .055 is too big. The largest I would say is 0.050 but like Dino said, try 0.045 and see if that works. I run mine around 0.030" with a ported/milled head. Idle and low end was bad at larger gaps.
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2004 WRX - WR Blue Pearl 1997 Eclipse GS - Royal Sapphire Pearl
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thats what im saying, im turbo so they'll worthless crapola for me