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Re: Idle Vacuum - How much?
Well yeah, but I need to know what's normal for a stock cam. Not a 296/304 advertised duration cam!
The internet says 15-20. I'd rather have 20.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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