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Originally Posted by RiceEatingZR1
is the Fidanza flywheel replacement a dual mass flywheel? also I was reading in the Service Manual about the Balancing of the LT5 with the flywheel balance weights does these weights work on the Fidanza or are they needed with that setup? also does the Fidanza only replace the primary or is it a kit with both primary and secondary flywheels?
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All standard flywheels replace the total dual-mass flywheel. The advantage is less rotating mass. The disadvantage is you no longer get the dual mass wheel's damping of gear rattle.
The two best aluminum wheels for LT5s are 1) the McLeod and 2) the Fidanza.
I run a McLeod aluminum flywheel, a McLeod/Valeo clutch and a McLeod disc. Works great at the 500hp level. One good thing about the McLeod is the friction surface is riveted and can be replaced, if necessary.
Whatever flywheel you get to replace the dual-mass, it will have to be balanced to match the dual-mass. Any good balancing service can do that.