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Another Flathead T5 5speed question????

Discussion in 'The Hokey Ass Message Board' started by 59elky, Dec 15, 2006.

  1. 59elky
    Joined: Jun 2, 2006
    Posts: 115


    I know this has been covered many times, but I can't seem to find exactly what I want to know. Can someone give me the part numbers for the correct pilot shaft bushing, throw out bearing, clutch disc, pressure plate etc. Also are there any modifications to the input shaft necessary? I am using a S10 5speed behind a 59ab engine. I have the Speedway adapter using the GM clutch fork.
  2. motor mikey
    Joined: Jul 17, 2002
    Posts: 260

    motor mikey
    from hanover pa

    My best advice is to call Wilcap in Cali. I bought everything from them, and it went together without any issues. Tell them what you need and they will send you the correct pressure plate, clutch, pilot bushing and anything else you might need. I know my clutch disc was modified to work.
  3. Ole don
    Joined: Dec 16, 2005
    Posts: 2,915

    Ole don

    If you bought the adaptor from Speedway, call them and ask for the tech guy. I used a ten inch flathead presure plate, and an S 10 disc that measured about 9 7/8. For the pilot, I had my local machine shop bore a flathead pilot bushing and press in a new S 10 pilot bushing. I mocked up the trans on the bell on the motor, with no clutch, and found the trans input to long by about 3/8 inch. I wrapped a wet rag around the input and ground 3/8 off it with a 4 1/2 inch hand grinder. Mine works great.

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