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Promaxx 320 flow numbers

Old 03-18-2017, 06:38 PM
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Nice to finally meet Rob (Phragle) keep me in the loop with your build... thanks for sporting the AKRacing Supercharged cylinder heads!!![ATTACH=CONFIG]565675[/ATTACH][ATTACH=CONFIG]565676[/ATTACH]
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Old 03-18-2017, 09:05 PM
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Originally Posted by adk61
Nice to finally meet Rob (Phragle) keep me in the loop with your build... thanks for sporting the AKRacing Supercharged cylinder heads!!![ATTACH=CONFIG]565675[/ATTACH][ATTACH=CONFIG]565676[/ATTACH]
How much is it to ship a set of heads to say 49675. Just curious. Nice ad you took out in the classifieds btw.
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Old 03-19-2017, 05:13 PM
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Originally Posted by getrdunn
How much is it to ship a set of heads to say 49675. Just curious. Nice ad you took out in the classifieds btw.
I will call UPS in the morning
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Old 03-19-2017, 06:15 PM
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Originally Posted by adk61
I will call UPS in the morning
Perfect. I'm glad your here for us. You also sell springs etc correct.
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Old 03-19-2017, 06:43 PM
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I do indeed
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Old 03-22-2017, 07:08 PM
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Just got .700 numbers from Jim today via tx. No pipe and no raised floors yet. Exh 300, Int high 390's. Will get more info later but we were both in a rush.
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Old 03-22-2017, 07:30 PM
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Originally Posted by getrdunn
Just got .700 numbers from Jim today via tx. No pipe and no raised floors yet. Exh 300, Int high 390's. Will get more info later but we were both in a rush.
the exhaust will come up big time even with a small straight 4" pipe no bend... even more so with a 12" with a 90* bend
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Old 04-17-2017, 02:35 PM
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At 407 cfm on the intakes at .700 as of today.
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Old 10-15-2017, 07:29 PM
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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.

Last edited by getrdunn; 10-16-2017 at 04:44 PM. Reason: update today
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Old 10-29-2017, 12:23 AM
  #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.
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