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A6 trans in an L98 3rd gen?

This is a discussion on A6 trans in an L98 3rd gen? within the Automatic Transmission forums, part of the Drivetrain category; My friend has a L98 350 TPI 3rd gen car that currently has a T-56 in it. He wants to ...

  1. #1
    Member Never-Enough's Avatar
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    Atomic Orange
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    Question A6 trans in an L98 3rd gen?

    My friend has a L98 350 TPI 3rd gen car that currently has a T-56 in it. He wants to go back to auto.

    Are there any A6 trans that will bolt up to the L98 even with slight modification? I assume no.

    So my next question is what would it take to make this work? If you can't make it work, what would be the best A4 option, a built 700R4?

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    Moderator Firebirdjones's Avatar
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    A6 is massive. It won't even come close to fitting the trans tunnel in a 3rd gen. It would require extensive surgery with a liquid wrench

    Easiest option if he wants to go back to an auto overdrive would be the 700r4 that originally came in the car. Or possibly a 350 turbo with a gear vendor unit that acts as an overdrive/gear splitter, affectively making it a 6 speed auto. But even that would require a small amount of surgery as the trans tunnel funnels down where this bolts on.

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    someday joejenkinsglass's Avatar
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    [QUOTE=Firebirdjones;2674252]A6 is massive. It won't even come close to fitting the trans tunnel in a 3rd gen. It would require extensive surgery with a liquid wrench

    Thats too bad, I guess that its the same for a 4th gen too? I was thinking an a-6 when my 4l60e gives up. It supposed to be a nearly indestructable trans.

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    [quote=joejenkinsglass;2674340]
    Quote Originally Posted by Firebirdjones View Post
    A6 is massive. It won't even come close to fitting the trans tunnel in a 3rd gen. It would require extensive surgery with a liquid wrench

    Thats too bad, I guess that its the same for a 4th gen too? I was thinking an a-6 when my 4l60e gives up. It supposed to be a nearly indestructable trans.


    I was looking into that too but I got a guy who'll build me a bad ass 4l60 for 1500... way cheaper, probably hold more power, I wonder about this gear splitter unit the guy above you mentioned though what do you think about that on a 4l60? build a 4l60 with that and REAL gas mileage would be possible lol

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    someday joejenkinsglass's Avatar
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    My 4l60 is bad ass built by rpm, but it isn't the strongest of designs. I think putting a gear splitter on a overdrive trans would not be worth the time or money.

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    Member MudStainKILLA's Avatar
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    id say go th350 or th400, less surgery to get it to work and both proven autos that can handle some serious power when built.


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