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Thread: Looks like I need a new ring and pinion...

  1. #21
    Darth Vader Marvin Gruber's Avatar
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    Re: Looks like I need a new ring and pinion...

    3.70 gear set, in box for years. $100 and shipping
    Marvimage.jpg

  2. #22
    Great Pumpkin TR3driver's Avatar
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    Re: Looks like I need a new ring and pinion...

    Any chance you've got a 3.45 set?
    Randall
    56 TR3 TS13571L daily driver
    71 Stag LE1473L waiting engine rebuild
    71 Stag LE2013LBW waiting gearbox rebuild

  3. #23

    Re: Looks like I need a new ring and pinion...

    Randall, Marvin: PMs sent.

    Other guys: really fascinating observations. I like the idea of trying it as is and seeing what happens--appeals to the scientist in me. But, the goal for this restoration is to have a mechanically solid car, and that means not keeping anything that is questionable. So, at this point, I think the rusty gears will go. Just a matter of what to replace them with.
    Steve Maas
    1966 Triumph TR4A, undergoing restoration: http://www.nonlintec.com/tr4a
    1952 MG TD, restoration completed 2014, sold 2016: http://www.nonlintec.com/mgtd
    1960 Austin-Healey "Bugeye" Sprite, sold 2010: http://www.nonlintec.com/sprite
    1967 Porsche 912: http://www.nonlintec.com/porsche

  4. #24
    Yoda CJD's Avatar
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    Re: Looks like I need a new ring and pinion...

    Quote Originally Posted by Sarastro View Post
    Randall, Marvin: PMs sent.

    Other guys: really fascinating observations. I like the idea of trying it as is and seeing what happens--appeals to the scientist in me. But, the goal for this restoration is to have a mechanically solid car, and that means not keeping anything that is questionable. So, at this point, I think the rusty gears will go. Just a matter of what to replace them with.
    Bravo, Steve...you came to the right decision. I spend most of my time repairing other PO's science projects.
    John

    1955 TR2

  5. #25
    Darth Vader Marvin Gruber's Avatar
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    Re: Looks like I need a new ring and pinion...

    Randall,
    No 3.45 that I know of. There are several diffs here that have not been inspected. There is a solid axle with a 54 inch wide lenght I have been tempted to pull and see what they are. Has 10 " drums.
    Marv

  6. #26
    Obi Wan
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    Re: Looks like I need a new ring and pinion...

    I am for doing a job right also; my dad insisted that anything worth doing is doing right. I think water got in and probably made a mess of everything in outer bearing land too. You might need a whole unit, but I am no expert. However, I believe you are talking to the right guys; it is just my rear axle disassembly experience is not that great.

  7. #27

    Re: Looks like I need a new ring and pinion...

    Well, I made a case spreader and removed the differential. The carrier bearings were about as bad as I expected, maybe even a bit worse. I haven't removed the pinion yet, but I don't expect its bearings to be any better. Clearly, this will be a full-up rebuild. Sigh.

    The only good side of this is its effect on those who get lazy and don't check or replace their diff oil. This is what happens.


    Steve Maas
    1966 Triumph TR4A, undergoing restoration: http://www.nonlintec.com/tr4a
    1952 MG TD, restoration completed 2014, sold 2016: http://www.nonlintec.com/mgtd
    1960 Austin-Healey "Bugeye" Sprite, sold 2010: http://www.nonlintec.com/sprite
    1967 Porsche 912: http://www.nonlintec.com/porsche

  8. #28
    Yoda CJD's Avatar
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    Re: Looks like I need a new ring and pinion...

    Wow, nice spreader. I’ve rebuilt a couple dozen diffs, but never used a spreader...now you have me wondering if I should have made one years ago?!?
    John

    1955 TR2

  9. #29
    Obi Wan
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    Re: Looks like I need a new ring and pinion...

    Wow so they really do come apart that way. I remember telling my neighbor who was a 4 wheel drive guy that they came apart that way because I saw it in a book, and he gave me that look—you know the LOOK!-- Yeh that look.

  10. #30
    Great Pumpkin TR3driver's Avatar
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    Re: Looks like I need a new ring and pinion...

    Yup, that's how they come apart. But I'm with John, don need no steekin spreader!

    Randall
    56 TR3 TS13571L daily driver
    71 Stag LE1473L waiting engine rebuild
    71 Stag LE2013LBW waiting gearbox rebuild

  11. #31

    Re: Looks like I need a new ring and pinion...

    Hmmmm...just as well that I made the spreader. I don't have enough crowbars....
    Steve Maas
    1966 Triumph TR4A, undergoing restoration: http://www.nonlintec.com/tr4a
    1952 MG TD, restoration completed 2014, sold 2016: http://www.nonlintec.com/mgtd
    1960 Austin-Healey "Bugeye" Sprite, sold 2010: http://www.nonlintec.com/sprite
    1967 Porsche 912: http://www.nonlintec.com/porsche

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