what kind of plugs to run on an FI motor

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Nov 24, 2003 | 01:36 AM

OOsilverado

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From: CA

what kind of plugs to run on an FI motor

What kind of spark plugs are you supercharged guys running on your trucks?? I know I should change them, but I dont know what to change them too.

thanks

Nov 24, 2003 | 01:57 AM

Flyer

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From: Armpit of East TX

NGK TR55 is what I had in the black truck and what a difference it made. Some I think or going even cooler to a NGK6.

Nov 24, 2003 | 02:26 AM

OOsilverado

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When would you say to run the 55 and the 6? do those with higher boost levels run the 6?

Nov 24, 2003 | 02:37 AM

Jason99T/A

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From: Baton Rouge, LA

With any forced induction setup, the I would definitely use the TR6s gapped @ .035".

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