jag IRS with butt welded drive shafts?
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  1. #1
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    jag IRS with butt welded drive shafts?

    Ive worked on a light car with Rover 4.5 tuned, the jag has butt welded shafts, Ive said to the owner I would sleeve & plug weld the shafts, Im not happy with it the way it is.

    Done correctly, what power level could sleeved shafts take? ( 245 x 15 road tires,not slicks! ) Thanks
    Whilst on about such things, when do you need 5 studs over 4? ( I know the jag is 5! )
    Last edited by cresta pa; 18-03-2019 at 13:20.

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    Administrator blackpopracing's Avatar
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    Butt welded or fusion welded?
    Fusion welded - as strong as original shafts, butt welded - waiting to break.

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    Dont forget these are phased, & they are short, I dont think you can friction weld them....

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    Nowheresville JackGriffin's Avatar
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    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.
    Screw EU

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    yeah, good point...

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    Rods 'n' Sods Junkie boblester40's Avatar
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    Or replace all together , machine the ends off and replace the shaft with suitable tube

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    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.
    "I'm not going to take this defeatist attitude and listen to all this crap any more from all these people who have nothing except doomsday to predict."
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    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.

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    Rods 'n' Sods Junkie boblester40's Avatar
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    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 !

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    Official RnS Addict mygasser's Avatar
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    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.
    need a job done on your project? i may be able to help.

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