RWD 5-speeds
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Northstar Engines and System Technical Discussion Discussion, RWD 5-speeds in Cadillac Engine Technical Discussion; The Jeep/Dodge AX15 5-speed, the Jeep NV3550 5-speed, the Toyota R150F & R151F, the 87-92 Toyota Supra Turbo R154 and ...
  1. #1
    Greg55_99 is offline Cadillac Owners Member
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    RWD 5-speeds

    The Jeep/Dodge AX15 5-speed, the Jeep NV3550 5-speed, the Toyota R150F & R151F, the 87-92 Toyota Supra Turbo R154 and the Isuzu AR5 5-speed all share the same case to bellhousing bolt pattern. As such there are a number of possibilities that can be had when a 5-speed is desired:

    96-99 Dodge Dakota 2.5L bellhousing: Connects all to any Jeep 2.5L L4. Because of it's GM inherited 60 degree bolt pattern, it also works with any Buick FWD V6 and supercharged V6, any Chevrolet 2.8/3.1/3.4 V6, any Cadillac 4.1/4.5/4.9 V8, any Isuzu 3.5/3.5 DOHC V6 and with a minor modification (moving a bolt hole), any Olds Aurora DOHC V8 and Cadillac DOHC Northstar V8.

    The R154 out of the 87-93 Supra Turbo is a particularly robust gearbox and is used quite extensively by Australian hot rodders to back up V8 conversions.

    http://www.classicconversions.co.uk/r154.htm

    Further info: Jeep AX5, Toyota G52/G58, W55, W56, W57 and W58 5-speeds all share a common face pattern on the case. As such, any 88-99 Jeep 2.5L bellhousing (NOT Dakota) will bolt a Toyota W series transmission to a 60 degree GM bolt pattern (and Northstar with the bolt hole mod). The Non Turbo Supra W58 is not as strong as the R154, but is still no slouch.

    http://www.classicconversions.co.uk/w55.htm

    Greg Williams

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  3. #2
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V, 1994 Infiniti Q45
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    Re: RWD 5-speeds

    Thats interesting...... Great info......

    Got any swaps for a Q45...

  4. #3
    Greg55_99 is offline Cadillac Owners Member
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    Re: RWD 5-speeds

    Quote Originally Posted by elwesso
    Thats interesting...... Great info......

    Got any swaps for a Q45...
    Well... as a matter of fact...

    http://www.rodshop.com.au/bellhousings.htm

    Greg

  5. #4
    Super Trooper is offline Cadillac Owners Member
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    Re: RWD 5-speeds

    Quote Originally Posted by Greg55_99
    Isuzu AR5 5-speed all share the same case to bellhousing bolt pattern.
    Howdy Gregg

    Which vehicle did the AR5 transmission come in?

    Can you foot note your data? I don't doubt your integrity, but I'm looking for sources that I can verify.

    I need the information for research I'm doing on an Aurora/Northstar swap into an Isuzu Trooper.

    Thanks

    Bruce

    http://myweb.cableone.net/bcanderson/

  6. #5
    Greg55_99 is offline Cadillac Owners Member
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    Re: RWD 5-speeds

    Howdy Super Trooper,

    Follow this whole thread for some info I posted some months back on the Isuzu board:

    http://www.4x4wire.com/forums/showfl...rue#Post327122

    There are some links there you might find of interest. Also, take a look at this pic from the Pirate 4x4 board. It shows both the Wrangler and Dakota bellhousings. They both have the GM 60 degree bolt pattern.

    http://www.pirate4x4.com/forum/showt...15+bellhousing

    Greg

  7. #6
    Super Trooper is offline Cadillac Owners Member
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    Re: RWD 5-speeds

    Quote Originally Posted by Greg55_99
    Howdy Super Trooper,

    Follow this whole thread for some info I posted some months back on the Isuzu board:

    http://www.4x4wire.com/forums/showfl...rue#Post327122

    AAAAAAAAAAAAHHHHHHHHHHHHHHHHHHHH you posted to Isuzu forum and I missed it??? Ratz

    Hey thanks for the help!

    Bruce

    http://myweb.cableone.net/bcanderson/

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