Originally Posted by fbs63
I think that only works on the 5.7-6.1 non-vvt blocks.



Yeap…..NO distributor set up for the VVT type blocks...yet, I'm sure someone out there is working on it.


400+CFM PWR (performance werks Racing) he closed up shop a few years back, owed a ton of people money , he was over 400CFM with the Apaches heads back in 2014, 425CFM at 700, was his claim ,with a 2.20in intake valve, I have a set here that PWR did ,on my bench they read 420. @.700 . I just finished up a set with cut down W5(height) 2.22 intake valves.

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