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Author Topic: Plugs and a tune  (Read 875 times)

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Offline roxer

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Plugs and a tune
« on: July 01, 2015, 10:59:42 AM »
I bought the AEM Methanol kit and DDM's tune not long ago. I hope to have Dr. Dave install them sometime this month. I want to change my plugs before the tune as I have 35K miles on the engine. I have read several posts about different plugs, but believe the ACDelco 41-108 to be the best based on most responses. My question is concerning gapping the plugs - it's all over the book. I see .28/.32/.35/.44, etc. Which is the better gap for my application?
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Offline Jim

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Re: Plugs and a tune
« Reply #1 on: July 01, 2015, 11:26:44 AM »
Pretty sure mine are gapped at .032 and I'm running 27psi on an EFR turbo. I haven't had any problems with the stock plugs that I replaced when I installed the turbo.
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Offline LatinVenom

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Re: Plugs and a tune
« Reply #2 on: July 01, 2015, 04:00:26 PM »
32 is the more often use.
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