ET C5R heads
06-29-2006, 11:06 AM
#21
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Originally Posted by Haans249
Infact, no, the ET LS7 heads outflow the ET C5R heads by alot. Look at the details. Regular GM C5R heads don't outflow GM LS7 heads, infact, its the otherway around as well.
06-29-2006, 12:04 PM
#22
Originally Posted by AU N EGL
Care to post some side by side flow numbers??
i will put the flow numbers side by side to compare, note the intake port volume :
255cc C5R 240cc C5R 4.1" LS7 262cc
Valve Lift Intake Intake Intake
.100" 68 66 78
.200" 156 153 166
.300" 211 216 247
.400" 290 277 307
.500" 334 325 340
.550" 345 343 355
.600" 358 363 365
.650" 371 376 374
.700" 382 388
.750" 390 397
so you are correct Adrian. but how about the port velocity between the three which head has the best port velocity?
Last edited by Abdullah; 06-29-2006 at 12:56 PM.
06-29-2006, 01:18 PM
#24
Originally Posted by Haans249
There are many different degrees of race motors, the one you mentioned is just one and I think anyone would consider the LS7 a race motor.
Best of Luck with everything,
Adrian
Best of Luck with everything,
Adrian
thanks.
