Thread: Help! Tuning Pontiac 400!!
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11-04-2001 12:56 PM #1
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- Join Date
- Nov 2001
- Location
- Alberta, Canada
- Car Year, Make, Model: 1968 Firebird
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Help! Tuning Pontiac 400!!
I have a Pontiac 400 American blue block and it is bored out .0060
TRW forged pistons -- I have #48 heads -- with 280H comp cam -- clevite bearings -- double roller timing chain--edlebrock intake manifold--edlebrock 750 carb--and headers.
Runs fine until I go to race it and then it detonates at the higher RPM...will not exceed 4000 RPM ...HELP!
68chick
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Dammit, another good ol boy gone. Condolence to the family. RIP Mike
RIP Mike Frade, aka 34_40