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Thread: 1994 C3500.. Mating 6.0 to NV4500 trans

  1. #1
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    1994 C3500.. Mating 6.0 to NV4500 trans

    Need help on mating the 6.0 to the NV4500... My 6.0 came from a 2005 model C2500.. Looking for info on which flywheel/clutch/pilot bearing/throwoutbearing that I need

  2. #2
    Quote Originally Posted by 1991SSP View Post
    Need help on mating the 6.0 to the NV4500... My 6.0 came from a 2005 model C2500.. Looking for info on which flywheel/clutch/pilot bearing/throwoutbearing that I need
    For my 92 k1500 with nv3500 and 6.0 swap I used the stock 90's model throw out bearing, stock 90's model clutch(had to remove the dowel pins)Sachs 1050 flywheel, and Napa pilot bearing 6302-vsp43. Should be the same for your set up

  3. #3
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    thanks for the info...

  4. #4
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    http://www.summitracing.com/parts/ra...9S0BoCgffw_wcB

    i Ran this flywheel. It will mate up with both the old style clutch or the new LS style clutch without having to cut or drill dowel pins
    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

  5. #5
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    2008 GMC Sierra SLE....370ci LY6 with some goodies SOLD
    1995 C2500- LS1 swap with a mp112
    build thread- http://www.ls1truck.com/forums/lsx-t...-ls1-swap.html

  6. #6
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    I'd love to go with that flywheel but it's a little out of my price range ,, thanks for the info

  7. #7
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    Quote Originally Posted by GreyChevy View Post
    For my 92 k1500 with nv3500 and 6.0 swap I used the stock 90's model throw out bearing, stock 90's model clutch(had to remove the dowel pins)Sachs 1050 flywheel, and Napa pilot bearing 6302-vsp43. Should be the same for your set up
    Was the pilot bearing you used thicker to make up for the shorter crank on the LS gen engine

  8. #8
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    Quote Originally Posted by 1991SSP View Post
    Was the pilot bearing you used thicker to make up for the shorter crank on the LS gen engine
    The sachs nfw1050 flywheel makes up for the shorter LS crank, the pilot bearing just locates the input shaft of the trans to the crank

    I used the nfw 1050 flywheel, stock clutch from my nv3500, stock throwout bearing and fork, and I used an SKF 6302VSP43 pilot bearing
    Last edited by brianmcb; 11-05-2016 at 03:11 PM.

  9. #9
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    did your original pressure plate bolts thread into the new sachs flywheel?

  10. #10
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    Quote Originally Posted by 1991SSP View Post
    did your original pressure plate bolts thread into the new sachs flywheel?
    No. The original bolts are SAE and the sachs flywheel is metric thread. I purchased LS1 pressure plate bolts and also LS1 flywheel bolts. The stock pressure plate also needed to have the bolt holes reamed out a tad to fit the new metric bolts

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