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Thread: LS9 T56 Swap

  1. #1
    Join Date
    Nov 2018
    Posts
    2

    Default LS9 T56 Swap

    Hello, Im installing a t56/ LS9 into my C3 vette. I was going to buy the GMPP Kit 19331083 But no one knows wen it will be available. So the Tech support with Jegs and I decided to build our own. I purchased

    Gm Clutch slave cylinder
    Mcleod Clutch set up 673-6976-07M
    Quicktime Bell housing 698-RM-8020
    Stock GM LS9 flywheel
    Pilot bearing 14061685

    I have 2 questions.

    1. The t56 Magnum I purchased used. It was bolted to a small block chevy but came out of a wrecked C3. I bought everything from the bell housing to the driveshaft. question is I got the clutch master cylinder and throw out bearing with it. Can I just use this? or do I really need the GM one with the big spring.

    2. The stock LS9 pilot bearing is much larger from the outside than the smaller GM one I bought. I cant even figure out how they expect it to fit. Can I just use the stock LS9 one if it fits? Ive attached a link of the stock ls9 pilot bearing.

    Thanks in advance.


    https://paceperformance.com/i-648498...1997-2019.html

  2. #2
    Join Date
    Apr 2001
    Location
    The Druid City
    Posts
    13,824
    Country Flag: United States

    Default

    This would be a Bowler question. They would know. Ill move this to the manual trans forum.

    Andrew
    1970 GTO Version 2.0
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  3. #3
    Join Date
    Nov 2018
    Posts
    2

    Default

    Thank you

  4. #4
    Join Date
    Feb 2016
    Location
    Lawrenceville, IL
    Posts
    266
    Country Flag: United States

    Default

    The whole pilot bearing issue can be confusing. With the set up you're using you'll likely need that smaller OD bearing that fits deeper into the crank. The best thing to do is measure your input shaft extension past the edge of the bellhousing to be sure. See the attachment for more info on LS pilot bearings.Bowler T-56_LS_Pilot_Bearing_Guide.pdf

    visit us on the web at www.bowlertransmissions.com




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