T-10 Installation in a 58-60 - NCRS Discussion Boards

T-10 Installation in a 58-60

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  • Christopher R.
    Extremely Frequent Poster
    • March 31, 1975
    • 1599

    #16
    Re: T-10 Installation in a 58-60

    I believe you would have a very difficult time getting the engine/transmission assembly to go into a C1 with an OEM shifter installed. That's because the "stick" on the OEM shifter doesn't come off. With that stick on there, you've greatly cut down on your manueverability. The people who do this with the shifter attached, do it with a Hurst shifter where the stick can be unbolted.

    Look at the ST12 or the '61 passenger car manual for the adjustment instructions of the shifter. It's not hard. I believe you use a skinny (1/8"?) hex key as the gauge. Insert it into the shifter where indicated and through the tangs to get the shifter into neutral alignment, and then align the rods to that. The arms are in neutral when they're at 12 o'clock. Not too hard to do in the car. Do it with the rear of the tranny hanging down some to give yourself some room. After you install the shifter and adjust the linkage, install the speedometer cable and the crossmember/mount.

    Be careful how much you allow the rear end of the tranny to hang down. At some point, you stress the engine motor mounts and the rear of the engine hits the firewall. But letting it hang down will help you gain access to it. After the front motor mounts are installed, I use a scissors jack to hold the rear of the tranny.

    Use one of those plastic plugs in the rear of the tranny to keep the fluid from leaking out. While you can fill the tranny with fluid while it's in the car, it's easier when it's out.

    You can get the fuel pump on after the engine is in the car if you swear a lot and have little fingers. I believe it may be easier to do with the engine still on the hoist, a few inches up from final placement on the mounts. But in the heat of the battle, I always forget to do that. That's how I know about the swearing and the little fingers. One thing you must do, is install the 45 degree fitting on the pump before you install it. Once the pump is on, you can't tighten the fitting. You can't get it to go through a full turn.

    Comment

    • Stewart A.
      Expired
      • April 16, 2008
      • 1035

      #17
      Re: T-10 Installation in a 58-60

      A quick story, After fitting my engine and trans I drove the car around for 10 to 20 miles and I noticed that when I went from 3rd to 4th gear the rpm went up far to high. I went back to the shop and swapped 3rd for 4th in the linkages and all was fixed. So when I ( bubba) was in 3rd I was actually in 4th and when I was in 4th I was actually in 3rd. I bet I'm the only idiot in the world who has done that. The staff at the mechanic shop was on the floor laughing at me Yes I felt like a goose !!!

      Comment

      • John H.
        Beyond Control Poster
        • December 1, 1997
        • 16513

        #18
        Re: T-10 Installation in a 58-60

        Originally posted by John Hinckley (29964)
        Mark -

        The link didn't work for me, but in my experience, the "large" and "small" diameter DRIVEN gear families for the Muncie, T-10, and Powerglide are the same dimensions.
        Need to make a correction here resulting from a brain fart, pointed out by Joe Ray. The pre-'61 T-10 tailhousing had a different dimension from the centerline of the output shaft to the machined surface where the retainer plate secures the groove in the speedo gear "bullet" than '61-up T-10's, so the pre-'61 T-10's can't use the standard '61-up T-10/Muncie speedo driven gears without an extension - Corvette Central #531040.

        Comment

        • Mark P.
          Very Frequent User
          • May 13, 2008
          • 934

          #19
          Re: T-10 Installation in a 58-60

          Thanks John. I plan to determine the rear end gear ratio using the info on this discussion board then determine what driven gear I need to buy.

          Comment

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