6.2 carburated
#4
the ct525 is a carbed ls3. It has hollow intake valves so they are lighter than the l92's. They make 560 hp@6500 and 490ftlb@5350 on pump gas so ya they are a good motor with a carb and the proper cam. The ls376/515 is the same and makes the same power. The fi engine runs a smaller cam and makes less hp but about the same torque.
#5
GM lists a higher max RPM for the 6.2L motors than it does for any of the smaller displacement motors.
The only motor with a higher factory RPM rating is the LS7 7.0L motor.
The only motor with a higher factory RPM rating is the LS7 7.0L motor.
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#11
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#14
Our experience with these have let us know that 92 octane fuel and 28 deg timing is right on the edge of deto with these engines. So less timing or better fuel is the answer. Bets power is at 31 deg but not alot is gained from 28 to 31.
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