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T10 woes. I welcome any assistance.

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  • AndyP
    replied
    Yep, move on. we all know you are a good guy so no - point on this one for you.

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  • pmustang
    replied
    Thanks Andy,

    They are super simple. Even easier I am told than the Toploader box.

    At this point the customer has waited ages for the car and we are giving him the old box along with the car as it has the cars VIN stamped in it and the car is a factory GT

    I would love to know the issue with the box for closure but at this point seeing it never again is a nice thought

    Cheers. Peter

    Leave a comment:


  • AndyP
    replied
    These boxes are pretty simple boxes...not that i'm an expert but a mate of mine is well up on classic boxes, he has works on some really special projects.

    I have rebuilt a Muncie M20 so know a little about the internals (Very similar box). Do you still have the box? I would love to take a look ( with the help of my mate) if only to get your sanity back.

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  • pmustang
    replied
    For reasons of my sanity I had to give up. Move on and get the car to its new owner

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  • mick the hat
    replied
    Let me offer you some succour Peter. Life is like a gearbox. Sometimes you're in forward, sometimes in reverse, seldom smooth but always in transit!

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  • pmustang
    replied
    Gave up:

    ​​​​​​Maybe not the answer you want to hear but I have thrown in the towel

    I spoke to many folks, I tried several ideas (last being the lapping of the syncros onto the gear cones) changed the shifter mechanism, new clutch, still CRAP

    I mean garbage. Stuck in 2nd, stuck in 3rd, then can't get a gear. nightmare

    God knows the hours and money lost at this point so pulled another T10 from another car (and a toploader went into that car) so the car gets a known good T10

    I don't know if it was the new syncros, the assembly, who knows...just at a total loss of time, money and energy expended to sort the issue

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  • pmustang
    replied
    Now been apart twice

    Initially before rebuild it appeared near perfect inside and shifted perfectly with only issue being popping out of gear

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  • mick the hat
    replied
    Originally posted by pmustang View Post
    Yes sir, thanks for asking

    Put the car on the ramp, ran it and gt the trans stuck

    Last week I removed the trans and shifter complete, installed the box on an engine stand and confirmed it was stuck. Removed the shift rods to isolate the trans and moved shifter, shifter was free moving, this confirmed trans has an internal issue

    Trans is now wth rebuilder for investgation

    I have researched the heck out of this and short of stuck synchos being a possibility I am as lost now as before


    Cheers. Peter


    I wonder if it was ever rebuilt by a "specialist" and the steel bearings in the races were replaced properly? Did any get lost and replaced wth incorrect sizes.... or not at all? Just a thought. Sometimes it only takes one or two to be less than perfect for problems to start.

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  • pmustang
    replied
    Yes sir, thanks for asking

    Put the car on the ramp, ran it and gt the trans stuck

    Last week I removed the trans and shifter complete, installed the box on an engine stand and confirmed it was stuck. Removed the shift rods to isolate the trans and moved shifter, shifter was free moving, this confirmed trans has an internal issue

    Trans is now wth rebuilder for investgation

    I have researched the heck out of this and short of stuck synchos being a possibility I am as lost now as before


    Cheers. Peter



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  • mick the hat
    replied
    Anything further on this Peter?

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  • pmustang
    replied
    So an update. I had another guy look at it and his feeling was that the shifter mechanism was worn out. It was fairly loose, levers rattled around a bit.


    So today I swapped the shifter base for a very good used unit
    Nice and tight

    Immediately the shifting action felt awesome. Took the car for a ride and probably went five miles without an issue. Full acelleration1-2-3-4 shifting, fast, slow. Excellent

    Then slowed down and shifted into second and would not go in, then went in and wouldn't come out. It finally came out and performed perfect again

    I then had a friend drive the car. Maybe five 1-2-3-4 shifts then it did the same thing, either wouldn't go in 2nd gear or stuck in 2nd gear. Then Bang, comes out of 2nd and shifts fine again


    Last edited by pmustang; 09-07-2019, 07:35 PM.

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  • pmustang
    replied
    Thanks Mick, that is our first port of call. I have not one clue why the new fork are wider than the unworn portion of the original forks. I am going to get the new forks machined as soon as I find out why they are wider/thicker on the wear area than the originals.

    Cheers. Peter

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  • mick the hat
    replied
    Didn't load properly on last post?
    Last edited by mick the hat; 06-07-2019, 11:28 PM.

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  • mick the hat
    replied
    Hi Peter, did a little trawling on the Internet and came across this. If it's useful, great. If not, at least I tried. Good luck.

    https://www.hotrod.com/articles/t-10...tter-than-new/

    This bit in particular maybe?

    "Shifter forks slide into the slots for the two sliders. Make sure the pads on the shifter forks arenít worn. If they are, they wonít push the sliders fully into place when you shift gears and the transmission can pop back out of gear."


    Last edited by mick the hat; 06-07-2019, 11:26 PM.

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  • pmustang
    replied
    Hello Folks

    Bell was left on, these guys install trans for us regularly

    She popped out before and now after rebuild

    Cheers Peter

    Leave a comment:

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