A/C delco spark plug part number. - Boost Forum

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A/C delco spark plug part number.
Tuesday, March 02, 2010 5:32 PM
Done a bit of searching, but can't seem to fined the number, pretty sure the ac delco number is 103 for the eco 1 step colder, but my cars a half hour drive away so i don't feel like checking.

Well i'm posting, do most people gap em down or leave em stock?

thanks, Gary




Re: A/C delco spark plug part number.
Tuesday, March 02, 2010 7:15 PM
Gap them down.

BTW i was still getting the occasional spark blowout at ~.35 with stock ACDelco at 10psi.





Re: A/C delco spark plug part number.
Tuesday, March 02, 2010 7:15 PM
ngk Ltr6ix-11

cheapest on rockauto.com



Re: A/C delco spark plug part number.
Tuesday, March 02, 2010 7:32 PM
i forgot i had another boosted j body in the drive way so i answered my own question haha...yup number is 41-103

what should i grap em down to?



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