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a manual HSV GTS LS3 pulled 475 rwhp bolt ons 227/231 585 585 112 crow cam made by crow cams australia, idle 950 and says it has a hot sounding idle, not bad result there and ki ******* CROW CAMS SELECT PROGRAM *******
MODEL TYPE LS1 ENGINES
---------------------------CROW COMPUTER CARD----------------------------
| PART NUMBER 8711223RH Date |
| Cam type: Hydraulic Roller type Profile |
| ----------------------------------------------------------------------|
| Advance Ground on Cam: 1 Lobe separation: 112 |
| .050 VALVE TIMING |
| Inlet opens: 3 BTDC Closes: 45 ABDC .050 Duration: 227 |
| Exhaust Opens: 49 BBDC Closes: 3 ATDC .050 Duration: 231 |
| ADVERTISED VALVE TIMING |
| Inlet opens: 32 BTDC Closes: 74 ABDC ADV Duration: 286 |
| Exhaust Opens: 79 BBDC Closes: 33 ATDC ADV Duration: 291 |
| Inlet lobe lift at TDC on the over lap:.060 |
| ----------------------------------------------------------------------|
| Valve lift Inlet: .5848 Inlet Rocker Ratio: 1.70 |
| Valve lift Exhaust: .5857 Exhaust Rocker Ratio: 1.70 |
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| ----------------------------------------------------------------------|
| RECOMENDED VALVE TRAIN COMPONENTS |
| Valve Springs: Spring height: Collets: |
| Retainers: Pushrod: Lifters: |
| H/D Timing Set: |
| ----------------------------------------------------------------------|
POST CODE
These HIGH PERFORMANCE components should be checked for suitabilty by the
person installing them as engines of the same group can vary in
valve length spring installed height and collet grooves
IT THE SOLE RESPONSIBILTY OFF THE INSTALLER TO CHECK SUITABILTY
ALL ENGINESnd of nice on the valve train heres the cam card specs
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