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Old 02-27-2009, 02:25 AM   #1
trmnatr
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Join Date: Oct 2008
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Default RPM From Cylinder Head Flow

How high on an RPM will an engine turn with this flow ?

28" 4.060" Bore Intake / Exhaust 2.055 intake valve / 1.60 exhaust valve
.100" 64 / 57
.200" 128 / 111
.300" 180 / 149
.400" 221 / 172
.500" 253 / 189
.600" 273 / 198

Intake angles - 32degree / 45 degree / 60 degree / 70 degree / 80 degree
Exhaust angles - 37 degree / 45 degree / radius

Engine with 4.030" - 4.060" bore and 3.26" stroke , take a guess how high the top rpm would be ?

Just for cam purposes we will pick the new Comp cams solid roller thats a good off the shelf part number
307/317 @.020
278.284 @.050
201/197 @.200
.684"/.660" lift
106 degree lobe seperation
HXL Intake Lobe
RZ Exhaust Lobe
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