Cylinder head flow bench numbers
Cylinder head flow bench numbers
Lift Intake Exhaust relationship
.100" 63.4 52.2 82%
.200" 114.4 89.8 78%
.300" 141.5 119 84%
.400" 160.4 142 89%
after 400" the valve shrouding was so great there was no real gains,
zx670
05-02-2011, 04:26 PM #1I have been searching for a while now for some numbers to compare and have not found anything so figured Id post what I got in case anyone else is looking, I put a 617 head on a superflow bench @28" to see what I got out of it, unfortunately due to circumstances I was unable to do it when it was totally stock so these numbers are after a slight port job and a 5 angle.
Lift Intake Exhaust relationship
.100" 63.4 52.2 82%
.200" 114.4 89.8 78%
.300" 141.5 119 84%
.400" 160.4 142 89%
after 400" the valve shrouding was so great there was no real gains,
Guess this was for the 'Turbo 617.951/2' engine?
![[Image: 300TDnoplate.jpg]](http://i190.photobucket.com/albums/z128/alastairhcii/300TDnoplate.jpg)
Alastair E
05-04-2011, 08:30 AM #2Hmm--Interesting! Thanks for sharing....
Guess this was for the 'Turbo 617.951/2' engine?
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