jag IRS with butt welded drive shafts? - Reply to Topic
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Topic Review (Newest First)

  • 26-03-2019, 11:41
    SpannerPete
    Quote Originally Posted by boblester40 View Post
    F**king hell how did you manage that with a rover engine and a t bucket ?

    Had 383 built SBC in fornt of my JAG IRS in a 3000 lb truck and did not manage that !
    Must be my heavy foot

    I thought I'd done some research at the time (going back a few years now!) and found a few people with the same problem.
  • 26-03-2019, 00:04
    mygasser
    Quote Originally Posted by boblester40 View Post
    F**king hell how did you manage that with a rover engine and a t bucket
    i thought that, must've had good sticky tyres and drove it like a hire car! i've shortened several jag axles and abused them with chevy v8's, not broke a driveshaft yet.
    neil.
  • 25-03-2019, 16:50
    boblester40
    F**king hell how did you manage that with a rover engine and a t bucket ?

    Had 383 built SBC in fornt of my JAG IRS in a 3000 lb truck and did not manage that !
  • 20-03-2019, 11:47
    SpannerPete
    The original shafts can twist if you put too much power through them. I had this with a light t bucket and 3.9 Rover so got some uprated shafts made by Bailey Morris.
  • 20-03-2019, 09:48
    Kustom Jim
    Pictures may help for folks to provide more guidance.
    Ie, nice polished steel suggesting tig welded or bird**** mig stuff.
    Whilst not conclusive it may help (put that in for the flamers lol)

    Back to question, generally a well done set would live with a small block!? (guess)
    I'd get a quote from a shop/builder.

    Dunno about 4 to 5 studs, good question though.
  • 20-03-2019, 09:09
    boblester40
    Or replace all together , machine the ends off and replace the shaft with suitable tube
  • 20-03-2019, 02:55
    cresta pa
    yeah, good point...
  • 19-03-2019, 14:31
    JackGriffin
    I have no idea if they can friction weld and index the ends accurately - best to ask somewhere that does it I guess.

    Would you be using two-piece sleeves, so you can fit them without destroying the original welds? If they have lasted well to date and have been butt-welded properly you'd have the best of both worlds.
  • 19-03-2019, 02:35
    cresta pa
    Dont forget these are phased, & they are short, I dont think you can friction weld them....
  • 18-03-2019, 14:39
    blackpopracing
    Butt welded or fusion welded?
    Fusion welded - as strong as original shafts, butt welded - waiting to break.
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