spark plugs
05-05-2007, 02:55 PM
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Are these the Delco Iridiums? If so, the gap on those is supposed to be .040, even for a stock motor. They are not the same as the stock platinums that came out of your motor.
05-05-2007, 04:59 PM
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Originally Posted by MaLfUnCtIoN
Just learned something. I have Delco Iridiums and regapped them @.060. Luckily I haven't installed them yet. Why is the gap .040 instead of.060 for the Iridiums?
https://ls1tech.com/forums/showthrea...highlight=plug