INDY Cylinder Heads Flow Numbers (6.1)

[tbyrne]

Some customers have asked us to provide flow numbers for INDY's 6.1 cylinder heads so this is the rundown -

Super Flow 600 Flow Sheet
6.1 Hemi Head - Bore Diameter 4.060
Valve diameter 2.080 intake - 1.600 exhaust
Intake port volume 216cc. Exhust port volume - 65cc
5 axes CNC porting. Intake and exhaust ports with Priority Valve Job.

Intake Port:
Lift.......Stock ...Ported
.100 .....75 ........ 81
.200.....155... ....171
.300.....230 ...... 245
.400.....276 ...... 306
.450.....295 ...... 320
.500.....299 .......343
.550.....301....... 362
.600.....304........368
.650.....306........370
.700......306.......371

Exhaust port:
Lift.......Stock ...Ported
.100 .....57 ........ 63
.200.....123... ....120
.300.....168....... 167
.400.....184 ...... 209
.450.....186 ...... 218
.500.....186 .......225
.550.....186....... 232
.600.....187........240
.650.....187........241
.700.....187........242

Have a good day!
Tom