Ford Muscle Forums : Ford Muscle Cars Tech Forum - View Single Post - 427W Ford Crate Motor - Compression Question
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post #6 of (permalink) Old 12-19-2013, 10:43 AM Thread Starter
74Bronco
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Join Date: Dec 2013
Posts: 9
Re: 427W Ford Crate Motor - Compression Question

Quote:
Originally Posted by PSIG View Post
That depends on what the 393W heads are. If they are stock heads - absolutely no. Ported stock heads cannot be made to flow anywhere near what the 427W needs to see it's potential. If the heads are something else, then tell us what they are.
David
The heads are Edelbrock RPM (60cc/2.02 intake valves). Here is the flow chart:

Valve Lift .100" .200" .300" .400" .500" .600" .700"
Intake 70 128 183 219 251 255 246
Exhaust 57 104 142 163 170 174 175

Thanks,
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