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Thread: 2006 4.3 to 5.3 Swap

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  1. #1
    Join Date
    Apr 2008
    Posts
    14
    Will the flywheel and clutch off of my 4.3l work with my 5.3l lm7 or do I need to get v8 ones? If so where is a good place?

  2. #2
    Join Date
    May 2009
    Location
    hot & windy
    Posts
    1,117
    Quote Originally Posted by jonathan734 View Post
    Will the flywheel and clutch off of my 4.3l work with my 5.3l lm7 or do I need to get v8 ones? If so where is a good place?
    +1 on the 4.8 flywheel. i got my clutch from clutchcityonline dot com. so far it's holding up fine - definitely grips a lot better than the 4.3 setup. i ain't had a chance to really let it rip yet, so i can't comment on that yet.

    here's a disc comparison from my build thread...
    00 FRC - just top end, exhaust, and a hot-air intake
    99 Sierra - 5.3 / 5spd
    ↓ click the pic for the build ↓

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