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Registered
Join Date: Jul 2005
Location: Cleveland, OH
Posts: 1,367
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What does 964 head flow?
Anyone have flow numbers for 964 head with 51.5mm intake valve at lift of 0.5" (or something close)?
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01-15-2020, 03:32 PM
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Registered
Join Date: Sep 2015
Location: Costa Rica and Pennsylvania U.S.
Posts: 3,301
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Head flow
I do not know about flow with a 51.5 intake but stock head is better than a 3.2 version.I have used heads from Bill at Extreme with 50.5 intake.Ciao Fred
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01-15-2020, 05:41 PM
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Registered
Join Date: Sep 2015
Location: Costa Rica and Pennsylvania U.S.
Posts: 3,301
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Head flow
That head was a 3.2 just for clarity.
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01-15-2020, 05:43 PM
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Registered
Join Date: Mar 2019
Posts: 1,600
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about 260cfm @ 0.500", 28inH2O on the intake. 180cfm @ 0.500" on the exhaust.
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01-16-2020, 08:18 PM
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Racer
Join Date: Oct 2010
Location: Franklin, TN
Posts: 5,885
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Wow. Xtreme heads flow about 323/227 at the same values. The valves are 2.08"/1.635".....
__________________
Scott Winders PCA GT3 #3 2021 & 2022 PCA GT3 National Champion 2021 & 2022 PCA West Coast Series GT3 Champion |
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01-16-2020, 09:26 PM
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Join Date: Mar 2019
Posts: 1,600
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That's what 30 years of technology does for you. ;-)
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01-17-2020, 07:10 AM
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