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INDY Cylinder Heads Flow Numbers (5.7)
Some customers have asked us to provide flow numbers for INDY's 5.7 cylinder heads so this is the rundown -
Super Flow 600 Flow Sheet
5.7 Hemi Head - Bore Diameter 4.030
Valve diameter 2.000 intake - 1.550 exhaust
Intake port volume 184cc. Exhust port volume - 57cc
5 axes CNC porting. Intake and exhaust ports with Priority Valve Job.
Intake Port:
Lift.......Stock ...Ported
.100 .....63 ........ 70
.200.....140........148
.300.....208 ...... 230
.400.....249 ...... 270
.450.....261 ...... 291
.500.....266 .......303
.550.....269....... 315
.600.....271........322
.650.....272........325
.700......273.......327
Exhaust port:
Lift.......Stock ...Ported
.100 .....60 ........ 63
.200.....126... ....114
.300.....161....... 163
.400.....175 ...... 195
.450.....176 ...... 203
.500.....178 .......210
.550.....178....... 214
.600.....179........218
.650.....179........220
.700.....180........221
Have a good day!
Tom
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