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      06-18-2013, 09:42 PM   #77
seank
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Drives: e30 m3,e90 wagon,sprinter,z4m
Join Date: Dec 2011
Location: sacramento, ca

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Quote:
Originally Posted by gmd2003 View Post
Why they don't rec 1 step colder plugs is beyond me, using the stock plugs is why race gas is needed when driving the kit hard. With a stock compression motor/8.5 PSI of boost its silly to run a hot plug. I'm kind of pissed I drove it on track with the stock plugs in. I have been data logging timing before and after the colder plugs and even at street temps my car is able to run Several i.e 5-10 degrees more timing above 5k rpm
George
Thanks for the tips. Sorry you have to continue to be the guinea pig.
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