Trick Flow LS1 head pictures inside
Heads specs are:
Intake valve 2.04
Exhaust valve 1.575
Springs dual 1.3 springs with titanium retainers. Good to .650 lift
Valve angle 13.5 degrees
Intake runner 215cc
Exhaust runner 80cc
Combustion chamber - 64cc
Trick Flow flow data
Lift-------------------- Intake-----------------Exhaust
0.100------------------- 68---------------------- 55
0.200------------------ 142 --------------------115
0.300------------------ 215-------------------- 185
0.400-------------------260-------------------- 230
0.500-------------------300-------------------- 251
0.600------------------ 320-------------------- 259
More info on the heads can be found here.
http://store.summitracing.com/partde...5&autoview=sku











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Beast96Z you are correct, the heads are flowed with a pipe on the exhaust.
I should have the heads installed by next weekend. I hope to have before and after dyno numbers but I put much more value on before and after track numbers.
John

