AC Delco Spark Plugs

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04-29-2008, 04:03 PM

#21

slvr98camaro

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my ac delco plugs were pre gapped.. i checked them, and they were all spot on

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04-29-2008, 08:21 PM

#22

ae13291

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Quote:

Originally Posted by 98boxer

I still have the original ac delco spark plug so i'll get whatever was on there stock. Reason i ask is because i belive the stock plugs are a "hot" plug. And i think the tr55 is a cold plug, not sure?

Did you buy the car new? I would think someone changed the plugs since there not ac delco plugs.

actually the stock plugs are cold and the ngk tr55 are hot plugs! so u will gain some power with the hot plugs if your motor is nearly stock. yea im pretty sure the owner b4 me never changed the plugs, they were the stock ones dude

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