Quote:
Originally Posted by brndck
hanz that's a bone stock p11 head?
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That was a bone stock P11, the P12 flows no better (depending on casting quality give or take 5 CFM.). The P12 intake port simply looks more efficient due to the shaping of the area around the fuel injector. This is why we always recommend the P11 head because they're cheaper, more accessible, and have a vast aftermarket where the P12 has non of those advantages.
We'll also be flow testing the DET heads at variable port "stages" to show that the money is better invested in the VE. Intake manifold testing is also on the schedule to show advantages of various designs in numerical values no simply theory.