455 Manual transmission question?

Discussion in 'U-shift em' started by Donuts & Peelouts, Jul 13, 2017.

  1. Donuts & Peelouts

    Donuts & Peelouts Life's 2 Short. Live like it.

    Hello. I'm looking to mate a 455 with a manual transmission. It will go in a 65 skylark.

    Can someone please explain the matting. My tranny tyranny of choice I want is a t56, but am not set in stone. I like it for the overdrive and for the high torque rating. The magnum t56 is rated at 600+torque I think.

    I've been told this combo is not quick bolt up because something about push or pull on the clutch with the flywheel (which I don't get) and some oldtimmer told me "good luck trying to get a flywheel for that"
    I'm kind of stuck and would like to understand. Below I put a picture of a flywheel- is this what I need. Is there a trick out there.

    I would love a manual transmission for my 455. As easy as a 200r4 sounds I feel like I'm just doing to much.Thanks
     

    Attached Files:

  2. dan zepnick

    dan zepnick Well-Known Member

    No that's a clutch disc and pressure plate.you will need a flywheel to bolt to the crankshaft. I have that centerforce clutch in my 70 gs and it works good!it's in my car I have for sale if you really want a 455 4speed car??!! !
     
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  3. Donuts & Peelouts

    Donuts & Peelouts Life's 2 Short. Live like it.

    No I want to build my own but thanks for your post
     
  4. flynbuick

    flynbuick Guest

    An important issue is getting your crankshaft drilled for the trans snout and the correct bearing installed. Others include the method for activating you clutch, the size of the clutch and the spline count to fit your trans, rebalancing your engine with the manual flywheel and procuring the correct flywheel with the correct tooth count. TA sells the flywheel
     
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  5. hugger

    hugger Well-Known Member

    QuickTime Bellhousing $600
    Every crank I have ever seen or had was drilled bushing is machined to fit no biggie
    No need to rebalance engine you the come neutral balanced
    Billet flywheel $300
    Clutch $350
    Mcleod Hydraulic clutch setup $350
    Stock T56 would be subpar and would need to come from a 98+ Fbody
    93-97 fbody used the oddball clutch setup stay away from those
    New Magnums are $2800+ish
    Pedal setup is available new from several vendors sama as Chevelle
     
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  6. Donuts & Peelouts

    Donuts & Peelouts Life's 2 Short. Live like it.

    1500 in bellhousing and clutch accessories. Dang. Looks like I'm just gonna go with slushbox with a lockup to save money. I would like to drive my buick sooner than later. And could always swap for a standard. Thanks Guys
     
  7. BillA

    BillA Well-Known Member

    I installed a TKO 600 from American Powertrain in my '64. By the time I was done I had $4 grand in it plus some transmission tunnel fabrication $. Not cheap but the tranny handles 600lb/ft and the car is way more fun to drive.
     
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  8. Donuts & Peelouts

    Donuts & Peelouts Life's 2 Short. Live like it.

    As much as I want this- i don't see it happening YET. I'll just save up and learn more, engine swaps and tranny swaps really interest me. Thanks for all the post
     

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