Spark plug advice
There you go, good work.
Cool, so engine carnage changes the OEM irdium into a bosch +4
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The +4's are the biggest pieces of crap ever. Never heard of or seen ONE good thing about them. Dynoed a Camaro with those vs. cheapie Autolite coppers- the coppers had a more consistent power curve, and bit of extra power up top, showing that they were blowing out under the highish (10.5:1) compression of that engine- they're junk
Mark W.
Mark W.
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