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Projects Shortest Drivetrain - Front-to-Rear???

Discussion in 'The Hokey Ass Message Board' started by brett4christ, Oct 31, 2008.

  1. Building in my head again! :confused:

    What drivetrain has the shortest length, from front pulley to rear of differential (or centerline of rear axle, please clarify which)?

    Trying to envision something mid-engine, but dont want to run a "modern" FWD setup that turns the engine cross-ways.

    All combinations are possible. Thanks in advance for the input.
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 58,191

    squirrel
    ALLIANCE MEMBER

    The old Eldorado and Toronado had the engine sitting on top of the differential, front to back. The transmission was a modified TH400 thru the late 70s, then a modified TH200 The transmission had the converter bolted to the back of the engine, driving a chain, which drove the rest of the transmission. The differential was stuck on the end of the transmission where the tailhousing used to be.

    [​IMG]
     
  3. propwash
    Joined: Jul 25, 2005
    Posts: 3,857

    propwash
    Member
    from Las Vegas

    easily solved with three items: You, a tape measure, and a salvage yard. Item four could be a good digital camera.

    "if you get to thinkin' you're a person of some influence, try ordering somebody else's dog around"

    dj
     
  4. roverjohn
    Joined: May 3, 2008
    Posts: 25

    roverjohn
    Member

    What about a modern FWD setup that doesn't turn the engine sideways like out of a Saab 900?
     
  5. Paul
    Joined: Aug 29, 2002
    Posts: 16,745

    Paul
    Editor

    a VW transaxle turned around with a Mazda rotory in front of it would be fairly short

    or a Pantera...
     
  6. BJR
    Joined: Mar 11, 2005
    Posts: 10,747

    BJR
    Member

    A Corvair transaxle with a Crown kit that puts a smallblock in front of it for a mid engine deal. A friend of mine has one in a Corvair. Makes it a mid engine Corvair.
     
  7. Rootie Kazoootie
    Joined: Nov 27, 2006
    Posts: 8,130

    Rootie Kazoootie
    Member
    from Colorado

    Probably less than 30" to rear axle c/l.
     

    Attached Files:

  8. Audi transaxles are used by many of the "supercar replica" guys, but they are marginal on torque capacity for a built V8. IMO The Toro/Eldo is by far the most "correct" for hot rodding, and gives you a lot of engine options with bellhousing adaptors.

    There was a guy in Fresno in the 80s that had a VW bus with an Eldo/500ci setup mid mounted. Butt ugly, but went like stink. It left my 68 340S Barracuda for dead on Blackstone Av one day!

    Thinking outside the box, Bob McKee of llinois built a number of transaxles using quickchange rears mated to T10s for Can-Am cars back in the 60s. I have an idea for the same thing using a Toploader, but the project it was for got shelved...
     
  9. 48fordnut
    Joined: Nov 4, 2005
    Posts: 4,215

    48fordnut
    Member Emeritus

    shorty glide, a coupler and what ever eng . this would be for a solid mtd eng and r/e.
     

  10. Hey Rootie

    Tell me more about that setup!!!!!
     
  11. squirrel
    Joined: Sep 23, 2004
    Posts: 58,191

    squirrel
    ALLIANCE MEMBER

    a very small old european 4 cylinder engine adapted to an upside down VW transaxle.
     
  12. Rootie Kazoootie
    Joined: Nov 27, 2006
    Posts: 8,130

    Rootie Kazoootie
    Member
    from Colorado

    Not mine, but it's a A series BMC (Sprite, Midget, Morris) adapted to a VW transaxle. A fairly common in smallbore formula/sports racer setup back in the 60s-70s.
     
  13. Really cool, but I need something with a little more oomph! I'm a SBC man, but the full Corvair setup, or the Crown V8 Corvair setup sounds cool.

    Any other "traditional" ideas?
     
  14. 62rebel
    Joined: Sep 1, 2008
    Posts: 3,233

    62rebel
    Member

    looking in my Tex Smith book i see lots of old rear engine dragsters look like they have Ford rear axles or maybe Halibrand type QC's and are damn short from axle to water pump. can't say there's a transmission in there, lots of enterprising guys ran off torque alone and damn a gearbox. short as a 3spd Ford 'box is, hooked up directly to an axle it couldn't be too long. i need more pictures/expalnation now of what those guys were up to....
    i sketched up a bullshit idea once of how i'd put a bigass V8 in a minitruck by putting it behind the cab, still had to move the rear axle back unless i used a Eldo or Toronado setup. i figure a 500ci Cadillac in a LUV truck would be able to haul ass....
     
  15. Rootie Kazoootie
    Joined: Nov 27, 2006
    Posts: 8,130

    Rootie Kazoootie
    Member
    from Colorado

    Attached Files:

  16. Mount an early Ford closed-drive tranny directly to a banjo rear with this adaptor. It would require a solid-mounted rear end however.
     

    Attached Files:


  17. i have done this with a prefect i made a buggy out of, works but a rough fucking ride
     
  18. turdytoo
    Joined: May 14, 2007
    Posts: 1,568

    turdytoo
    Member

    I've got it in my faded old mind that the Crown Corvair set up used the latest model Corvair transmission. Supposedly this was a Muncie model that shared parts with the V8 trans and when converting the trans for the V8 Corvair you were really just putting the V8 stuff in the Corvair case. That's maybe over simplifying it and I may not be 100% accurate but it's close.
     
  19. careyohio
    Joined: Jun 6, 2008
    Posts: 410

    careyohio
    Member

    Is your coupler for sale????
     
  20. I believe that would bolt up to a quickchange as well...? You could go IRS at that point (as most of the setups discussed would have to be).
     
  21. 62rebel
    Joined: Sep 1, 2008
    Posts: 3,233

    62rebel
    Member

    you might not have to IRS if you built a "subframe" to carry the engine/trans as in the Hemi Under Glass 'Cuda and the LRW; not saying it's gonna ride like a cadillac but you could engineer it to have vertical movement and still retain solid rear axle on coils/panhard bar.
    whatever you got in mind , you got me interested in it! tell us more....

    and that adaptor was exactly what i was trying to explain about the traditional rear engine diggers. thanks for the pic!
     
  22. panic
    Joined: Jan 3, 2004
    Posts: 1,450

    panic

    Re: "this was a Muncie model"

    Nope - Saginaw, not as strong.
     

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