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It depends upon what brand of flywheel you are installing. Some ar not dynamically balanced, some are. And, I wouldn't go to all of the trouble to do a clutch in a C5 without having the flywheel and pressure plate balanced as a unit. I've bought mismatched pressure plates and flywheels and taken them to be balanced as a unit and it was surprising how far off two supposedly balanced parts were off when put together.
Maybe you get lucky not having them balanced, maybe you don't.
Back from the dead. seeing i am in no rush i installed just the flywheel and pp and no vibration that i can feel. I wounder is this is a sufficient test.
I wish i had a good machine shop here on this dam island.
This is with no drivetrain installed. Just flywheel and pp. I did find a electric motor shop with balancing equipment . I need to find a crank to bolt the assembly too
Back from the dead. seeing i am in no rush i installed just the flywheel and pp and no vibration that i can feel. I wounder is this is a sufficient test.
I wish i had a good machine shop here on this dam island.
Ha,,,,,,,,,,,,,, I couldn't AGREE more with what kp1 stated!
However,,, That being said, I also have the SPEC Stage 2 and the SPEC Flywheel. I did have the flywheel match balanced to my old one.
I was so paranoid about vibrations that I also ran the engine with the new flywheel attached. ZERO vibrations! WHEW!!
That test would tell you that it isn't GROSS out of balance. The problem occurs when all that other stuff is connected and the vibrations get amplified thru the rest of the drive train.
Aluminum flywheel (balancing)
