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Clutch Question

Discussion in 'Manual Transmission & Clutch' started by DoubleDingo, Aug 6, 2019.

  1. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

    Posts:
    3,444
    Likes Received:
    1,363
    Joined:
    Jul 3, 2012
    Location:
    A few hundred feet above sea level
    First Name:
    Shane
    Truck Year:
    1981, 1965
    Truck Model:
    81-C20 Silverado Camper Special-TH400-4.10s; 65-C20 with 4:57 gears and Borg Warner Overdrive
    Engine Size:
    Carb'ed Vortec 350; 1972 L48 350
    I am asking this for my stepdad (Pop). He has a '69 F250 4x4. I know this is a Chevy site, but I also know you guys have probably worked on many different makes and models through the years. With that said, here is his dilemma.

    He bought a 12" clutch to replace the clutch in the truck. He has had it for a while and it will be a pain to return. He already had the flywheel resurfaced, and was going to button things up when he discovered he had an 11" clutch in it. He needs to get a new flywheel, his old one had some minor cracking so it's not a bad thing to replace it. He needs to know if the 11.5" and 12" clutches have the same bolt pattern. He can't find any answers online, but did speak to a guy from the South, and he said they do. I asked my parts store the same question and they were 80% sure the 11.5 and 12 inch clutches have the same bolt pattern.

    Do any of you guys know?

    He has the number of the new flywheel and is ready to place the order, he just wants to make sure he gets the correct flywheel so he doesn't have to ship it back. That, and he wants to drive the truck again after going through the engine.
     
  2. DoubleDingo

    DoubleDingo Vacuum Leaks, The Root Of All Evil

    Posts:
    3,444
    Likes Received:
    1,363
    Joined:
    Jul 3, 2012
    Location:
    A few hundred feet above sea level
    First Name:
    Shane
    Truck Year:
    1981, 1965
    Truck Model:
    81-C20 Silverado Camper Special-TH400-4.10s; 65-C20 with 4:57 gears and Borg Warner Overdrive
    Engine Size:
    Carb'ed Vortec 350; 1972 L48 350
    I think I found it for him on the Phoenix Friction website. Go ahead and delete this thread if you want to.
     

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