"Live From" US Nationals Indy 2019

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"Live From" US Nationals Indy 2019

08-31-2019, 12:56 PM

#11

Gary Summers

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Re: "Live From" US Nationals Indy 2019

Quote:

Originally Posted by gsa612

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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