Promaxx 320 flow numbers
#259
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Jim got back on my heads between projects. He's not done yet but txt over some numbers Saturday.
Exh .200-157
.300-240
.400-315
Int. .500-370
.600-404
.700-424
.750-431
Raised the floors
Should have all the number no later than next week.
Exh .200-157
.300-240
.400-315
Int. .500-370
.600-404
.700-424
.750-431
Raised the floors
Should have all the number no later than next week.
Last edited by getrdunn; 10-16-2017 at 04:44 PM. Reason: update today
#260
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Has Jim sent you the rest of the numbers? That's pretty impressive, from what I've seen it looks like they noticeably better than the CNC version from ProMaxx. What size did the intake runner end up being? That .4 exhaust number is better than most heads at .8.
Last edited by endeavour32; 10-29-2017 at 12:39 AM.