need sparkplug expert

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Aug 7, 2004 | 11:29 AM

tess100

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Joined: Aug 2003

Posts: 109

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need sparkplug expert

i have 71 429 with dove heads , comp ratio is 11.5-1 , it is a fairly healthy build with 200 shot of juise, i use it for racing only. i am wondering what plugs to use , i got ngk but they have real long ground strap, not recomened for nos

Aug 7, 2004 | 08:39 PM

Ratsmoker

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Joined: Feb 2001

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From: Missouri

I use plain autolite plugs in my 390. I have tried the NGKs and didn't like them. Ground strap??? You do want pretty cold plugs with nitrous. Especially running a 200 shot.

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