Thread: "Live From" US Nationals Indy 2019
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Old 08-31-2019, 12:56 PM   #281
Gary Summers
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Default Re: "Live From" US Nationals Indy 2019
Quote:
Originally Posted by gsa612 View Post
Is the runner volume (per NHRA) the same on all of those heads?..gsa612
All 77 302 heads are the same in every way cc valves combustion chamber runners are the same only difference is head bolt size is 7/16 for 302 and 1/2 inch on 351
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