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Thread: 4.3 to LS (transmission question)

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  1. #1
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    4.3 to LS (transmission question)

    I know the guys with automatics can just use the flexplate that comes with the v8 but what do I do about a flywheel/clutch setup? Did the 5.3/6.0 come with 5 speeds? That's the only part of the swap I haven't figured out.
    '00 Silverado 4.8L (Gone)
    '11 Silverado 4.8L

    Quote Originally Posted by RUFFNECK View Post
    ...First relieve the pressure before doin' that or else you will get a nasty squirt and may get in ur eye.

  2. #2
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    Well nevermind, turns out the NV3500 is only rated to 285 lb ft of torque. Do they make performance rebuild kits for the NV3500?
    '00 Silverado 4.8L (Gone)
    '11 Silverado 4.8L

    Quote Originally Posted by RUFFNECK View Post
    ...First relieve the pressure before doin' that or else you will get a nasty squirt and may get in ur eye.

  3. #3
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    They make an NVG 4500 but it has crap ratios for performance.

  4. #4
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    Sucks. A T56 would be cool but the with all of the extra money involved I might as well turbo the V6. That and Quik has all of those clutch problems.
    '00 Silverado 4.8L (Gone)
    '11 Silverado 4.8L

    Quote Originally Posted by RUFFNECK View Post
    ...First relieve the pressure before doin' that or else you will get a nasty squirt and may get in ur eye.

  5. #5
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    A T-56 is a good way to, keep in mind Quik is pushing 700 hp so that adds a little additional stress. Another way to go is the tremec TKO600 it's a 5speed and TurboMic ran one pushing 600+. When I go LS I'll go with a T56
    2006 Silverado
    Little Black Bitch

  6. #6
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    What did those come in originally?
    '00 Silverado 4.8L (Gone)
    '11 Silverado 4.8L

    Quote Originally Posted by RUFFNECK View Post
    ...First relieve the pressure before doin' that or else you will get a nasty squirt and may get in ur eye.

  7. #7
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    Quote Originally Posted by yournamehere018 View Post
    What did those come in originally?
    the T56 came in camaro's n corvettes in chevy cars, in the SVT cobra in ford cars and the dodge viper...

  8. #8
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    Quote Originally Posted by yournamehere018 View Post
    That's the only part of the swap I haven't figured out.
    I have the same question will the stock 4.3 five speed accept the 5.3 engine? like the pilot bearing and such?

  9. #9
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    and the tko is aftermarket
    2006 Silverado
    Little Black Bitch

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