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Thread: Driveshaft

  1. #1
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    Driveshaft

    Arrgghh!
    Went to install the driveshaft and the flanges are wrong! This is an t-5 tranny against a 8.8 diff and I think the flange on the diff is wrong. See the pics and let me know your impressions.
    The receipt from the diff builder said it was a 8.8 ford flanged yoke.

    IMG_6630.jpgIMG_6629.jpg

  2. #2
    Not a waxer Jeff Kleiner's Avatar
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    It looks right; is the hole spacing wrong?

    Jeff

  3. #3
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    Very much wrong. Flange holes are too far apart to line up with the yoke.

  4. #4
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    I have to get a 1 1/16 socket and remove the pinion nut. Then take that and the yoke to the shop who made it on Monday and get a replacement. PITA

  5. #5
    Senior Member rich grsc's Avatar
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    DONT remove the flange, if you do you'll need a new crush sleeve for the pinion. Just replace the driveshaft yoke.

  6. #6
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    Take a paper and pencil and make a tracing of the pinion flange for reference. And agree don't take it off.
    David W
    Mkll 4874 built in 2004
    Gen 3 coupe #16 under construction

  7. #7
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    Quote Originally Posted by rich grsc View Post
    DONT remove the flange, if you do you'll need a new crush sleeve for the pinion. Just replace the driveshaft yoke.
    Not the easiest either to find replacement.
    yoke.jpg
    I am assuming take a tracing of the flange and take that and the shaft and go to ......??
    Last edited by Dwleo; 04-13-2019 at 05:55 PM.

  8. #8
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    Had another look at the picture of the diff flange, it looks odd the normal 8.8 is a 4 bolt flange. Is it an IRS car? if it is a new style IRS there is an adaptor flange
    Google drive shaft repair in your area and you will find shops. Maybe also contact the guy that put the diff together.
    David W
    Mkll 4874 built in 2004
    Gen 3 coupe #16 under construction

  9. #9
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    Quote Originally Posted by David Williamson View Post
    Had another look at the picture of the diff flange, it looks odd the normal 8.8 is a 4 bolt flange. Is it an IRS car? if it is a new style IRS there is an adaptor flange
    Google drive shaft repair in your area and you will find shops. Maybe also contact the guy that put the diff together.
    David W
    Not an IRS, 3-link.

  10. #10
    Senior Member CraigS's Avatar
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    Do a tracing or stick the bolts in and measure of you have a dial caliper. If you measure to the outside of the two bolt shanks, and then subtract one bolt diameter, that gives you the center to center distance. I would note both and go to the drive shaft shop. The ones I have dealt with, since it's all they, do make it quite easy for them to find the correct part. That diff flange does look unusual to me but it's been 3 yrs since I last looked at a solid axle so it may just be me.
    FFR MkII, 408W, Tremec TKO 500, 2015 IRS, DA QA1s, Forte front bar, APE hardtop.

  11. #11
    Senior Member rich grsc's Avatar
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    Any competent drive shaft shop will know the proper yoke for a early V8 Mustang.

  12. #12
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    Went back to the diff maker and he put a new matching yoke on the driveshaft.
    Now installed and pressing for go-karting. Dash and console still to finish.

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