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Cylinder Head Database PDF Print E-mail

This database includes all the latest flow figures for the cylinder heads ported here at Dr. J's performance. Our goal with this database is to help you see the real wold flow numbers for your cylinder heads as cast and the performance gains that are possible with porting. All flow testing is done on our Superflow 600 with Flow Com and Performace Trends Port Flow Analyzer Pro, if you like to have your heads flow tested please feel free to contact us at  This e-mail address is being protected from spam bots, you need JavaScript enabled to view it

* Please click on flow numbers to download a complete flow test with all data

 Chevy Heads

 Ford Heads

Mopar Heads

Oldsmobile Heads

Pontiac Heads

























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