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LS1 & Turbo400 Question

This is a discussion on LS1 & Turbo400 Question within the Automatic Transmission forums, part of the Drivetrain category; Hello Everybody, New to the board, KickAss site! I have a 99 Vette LS1 and a Transbraked Turbo400 trans, I ...

  1. #1
    Junior Member
    Join Date
    Apr 2006
    Eustis Florida

    99 Xtreme

    Question LS1 & Turbo400 Question

    Hello Everybody,
    New to the board, KickAss site! I have a 99 Vette LS1 and a Transbraked Turbo400 trans, I have a 99S10 Extreme i'm dropping this into, my question is, any of you that have put a Turbo 400 behind your LS1, what did you use for a Flexplate? I prefer a SFI flexplate if it's available. I was told the Turbo 400 bolts up you just can't use one of the bolt holes on the block, does anyone make a aftermarket sfi bell to bolt a T400 up to a LS1? Any info you can give I would appreciate, Thanks,

  2. #2
    Super Moderator
    mrr23's Avatar
    Join Date
    Jul 2005
    orlando, fl

    2014 camaro 2ss/rs

    to use an after market bellhousing on a th400, you'd have to cut the one on there now off. they make blankets to put over the housing that's SFI approved. there is a company that makes a th400 with removeable bellhousing, i just don't remember who. check TCI and B&M.

    also, Yank sells a th400 with conversion parts as well.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge

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