TH325-4L with 368(V468)
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500, 472, 425, 368 Discussion, TH325-4L with 368(V468) in Cadillac Engine Technical Discussion; Would it be possible to fit a TH325-4L transmission to a 368cid with the 4-6-8 ? I guess the tranny ...
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    Asakha is offline Cadillac Owners Member
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    TH325-4L with 368(V468)

    Would it be possible to fit a TH325-4L transmission to a 368cid with the 4-6-8 ? I guess the tranny itself should fit since the stock tranny is a TH325, but will it prevent the 4-6-8 from working ? And will it be thought enough for the torque the engine produce ? With the current gaz price, I'm thinking more and more about doing that swap.

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    davesdeville's Avatar
    davesdeville is offline Banned
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    Re: TH325-4L with 368(V468)

    Thought the TH400 was stock on a 368, or TH425 on Eldos.

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    Asakha is offline Cadillac Owners Member
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    Re: TH325-4L with 368(V468)

    Well, it is on a 1981 Seville, maybe there wasn't enough room for the TH425 !

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    davesdeville's Avatar
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    Re: TH325-4L with 368(V468)

    Ah the Seville, I always forget about the Seville. Well Sevilles had 350s not 368s, so it wouldn't be too easy.

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    lux hauler is offline Cadillac Owners Connoisseur
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    Re: TH325-4L with 368(V468)

    The only 350 offered in the Seville in '81 was the Olds diesel (standard equip.). The V8-6-4 was optional along with the Buick V6.
    http://100megsfree4.com/cadillac/cad1980/cad81s.htm

    I could be wrong but I believe the variable-displacement function worked off the transmission somehow. If I'm not mistaken, to disable the system, people just disconnected a wire from the trans. If that is true, I doubt the trans will work.....there may be other issues too.

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    Re: TH325-4L with 368(V468)

    Christ, I'll shut up now.

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    Asakha is offline Cadillac Owners Member
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    Re: TH325-4L with 368(V468)

    Ok, thanks, that is what I wanted to know.


    Yes, there's a switch on the tranny when it get on third gear to tell the ECU it can switch to 4 or 6 cylinders, but I didn't know if the TH325-4L had that switch too.

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    lux hauler is offline Cadillac Owners Connoisseur
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    Re: TH325-4L with 368(V468)

    Quote Originally Posted by davesdeville
    Christ, I'll shut up now.

    but I didn't know if the TH325-4L had that switch too.
    Like I said, I could be wrong but if the switch was only used for the V8-6-4 function, I don't see why they would carry it over to another trans that it isn't needed on.

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