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Projects 1957 Oldsmobile: Jaguar XJ6 IFS/IRS

Discussion in 'The Hokey Ass Message Board' started by ELpolacko, Sep 28, 2012.

  1. 50Fraud
    Joined: May 6, 2001
    Posts: 9,733


    Fascinating. I had a '57 Olds 2-dr sedan back in the day, and I lowered it and stiffened everything up to make a road race wannabe out of it. Putting Jag suspension under it would have been a wet dream for me at the time!!

    kidcampbell71 likes this.
  2. What's happening with this one Steve?
  3. Not much. Working on trying to get this horrible sheet metal to fit. This car was whacked pretty damn hard at one point. Hood won't shut as it hits the cowl before you can latch it.
  4. dad-bud
    Joined: Aug 22, 2009
    Posts: 3,884


    Just read it through from front to here - nice work ELp.
    Lots of fab work and it's so great that you share your 'magic' with us mere mrotals.
  5. Nearly finished the project.

    Fired it up today, sounds way better than we expected it to. Sits much lower now with all the gear mounted in it.




    Need to get the rack re-sealed and replace a rubber hose on the trans, should be ready to beat the streets!
    kidcampbell71 likes this.
  6. Hnstray
    Joined: Aug 23, 2009
    Posts: 11,745

    from Quincy, IL

  7. What a fantastic job!!! Can you describe the ride and handling? What was the weight difference?
  8. Bugguts
    Joined: Aug 13, 2011
    Posts: 691


    Nice save and finish on this one. Thanks for sharing all you did. I'm always interested in reading your threads.
  9. Only driven it a few feet just to make sure everything works. No interior in the car so I'm not going to be able to do much driving.

    Weight wise, the Olds is about 75 lbs heavier than the Jag was. Similar weight distribution too.
  10. RatAston
    Joined: Apr 11, 2011
    Posts: 4


    To answer a question raised earlier in the thread, the split for the jaguar diff carriers is 3.54 to 2.88 for one carrier and 3.73 to 4.54 for the other.

    I have not seen and 30 spline output shafts in any jag diffs, the diff fitted to the XJ40 range is not a 4HU unit. You can use DANA 44 ring and pinions in the 4HU diff (I have done it) but as well as the mentioned bolt size difference the spline count on the pinion flange is different.
  11. I'd love to see this Rocket doing some canyon carving!
  12. Didn't get any final pictures, the engine crapped out on us before we got a chance to drive it.
  13. Sounds like the Oldsmobile was a real lemon. BUMMER!
  14. Bib Overalls
    Joined: Aug 3, 2001
    Posts: 4,071

    Bib Overalls

    Why did you keep the Jet-A-Way transmission. Certainly something better available these days.

    Send the motor to Tony Lombardi (Goatroper02). He can make it better than new!
  15. I think it collapsed a few lifters.

    I restarted it just two days from the video I showed in the previous post and it wouldn't idle and was running pretty poorly. Transmission didn't shift out of first either. I did drive it about 1500 feet. In and out of my driveway and my neighbors, pretty smooth but not enough to evaluate it's handling prowess.

    Once sorted out, it should be pretty nifty.
  16. zman
    Joined: Apr 2, 2001
    Posts: 16,555

    from Garner, NC

    I would say most likely that wasn't Steve's decision. I'm betting on the customer making that decision.
  17. Steve, owners choice.

    If I had my way, would have had better than a $1500 rebuild and a TH400 hanging off the back.
  18. JAGASM
    Joined: Nov 25, 2014
    Posts: 3


  19. JAGASM
    Joined: Nov 25, 2014
    Posts: 3


  20. Man, late to the party.....and am glad someone grabbed this thread from cyber-history here. Your shop does great work.

    Of course.
  21. Jagasm, we do all sorts of work. Give me a call next week.

    Ray has been enjoying the car for a while now. He repainted it and had a few things engine and trans wise to sort out, but it's now cruising the streets of SanJose. So happy in fact I am supposed to get a 57 Olds Wagon to do the same trick with.
  22. JAGASM
    Joined: Nov 25, 2014
    Posts: 3


    We spoke today on the 1957 Eldorado Seville
  23. retromotors
    Joined: Dec 10, 2008
    Posts: 1,045


    Not sure how I missed this thread for so long, but I've got a death grip on it now!:D
  24. I would love to see a thread on this happening
  25. Drew Renshaw
    Joined: Dec 18, 2014
    Posts: 1

    Drew Renshaw

    Please please please start a thread on the wagon and snap as many pictures as you like so I can copy your brilliant work on my 57 Buick Super!
  26. The wagon build is probably not going to happen now. I believe the car was totaled.
  27. 50Fraud
    Joined: May 6, 2001
    Posts: 9,733


    Well, that kinda sucks!

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