Question About Flex plates & Imbalance?

Discussion in 'Technical' started by IdriveTRKs, Apr 4, 2009.

  1. sickser66

    sickser66 Member

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    well clint, not trying to beat a dead horse or anything. all i'm saying is if you hook up a 50 0z. balance 302 to an older C-4, a rebalanced flex plate IS needed. what good is an engine in a car without a trans? you're saying that it isn't needed and the trans doesn't care either way? tell that to my car and the company's that make the rebalanced flexplates. once again, the correct FACTORY flex plates for those engines will not fit older bell housings. i understand what you are saying that the trans is neutral, i'm with you there but, where the two come together is when things need to happen.
     
  2. sickser66

    sickser66 Member

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    UUUGGHH!!! i'm done.
     
  3. baddad457

    baddad457 Member

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    I read your whole post. You are wrong. So go beat your head and comeback when you've beat some sense into it. :rofl2: You can bolt a 50 oz 302 that was mated with an AOD, onto a C-4 that's got a 164 tooth bell(pan fill C-4), no problem, nothing needed. If you want to bolt it onto a 157 tooth bell C-4(case fill C-4), or even a Mustang II bell'd C-4 (147 tooth bell) you'll have to have an aftermarket flexplate to make it work.
     
  4. baddad457

    baddad457 Member

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    The reason for the change in imbalance weights for the damper and flywheel/flexplates was, in or around 1982 Ford redesigned the 302 cranks and removed a large portion of the counterweights from the cranks. Place a 28 oz crank next to a 50 oz crank and you'll see a huge difference between the two.,
     
  5. sickser66

    sickser66 Member

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    why do you continue to tell me how wrong i am and then say the same thing as me by the end of your post? i thing YOU are the one who could use some sense.
     
  6. IdriveTRKs

    IdriveTRKs Member

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    Didn't mean to stir up so much &#!%! But Went with the 82 egine and the 82 manuel tranny to eliminate the hassles... Still looking for the Clutch & Brake peddle assembly. Thanks for all the responses. Phil
     
  7. cdeal28078

    cdeal28078 Member

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    Phil you didn't stir anything up just asked a question. I think a couple of us are saying about the same things just in different ways.
    I understand and agree that the flywheel has to mate up the the tranny so far as the actual size and tooth count.
    Easiest way for me to say what I mean is that the flywheel or flexplate balance has got to be the right one for the engine. The tranny doesn't care about the balance weight of the flywheel only the engine does. The tranny has to have a flywheel the right physical circumference and tooth count of course.
    Let's not even talk about the 351W! The 302 should have followed the 351W and stayed the same 28oz. Would have made things easier for people doing swaps.
    Clint
     
  8. cdeal28078

    cdeal28078 Member

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    Don't mean to rain on your parade either Phill but the 82 year model is the year (according to what I read on Ford Muscle) when Ford made the change to 50oz. I have read where people have had an 82 302 that was 28oz and one that was a 50oz. So you still need to watch what you are doing.
    Best bet would be to look at the stock harmonic balancer that came with the engine you are going to use and determine how it is weighted or if you have the factory flywheel use it.
    Sorry for all of the confusion I may have caused you. Just trying to help.
    Getting the wrong balance can cause a lot of heart ache and hate to see you go through that
    clint
     
  9. Maviboy

    Maviboy ForOnlyRealDrivers

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    Youre completely right,but it still sounds like fun to drive:drive:
     
  10. cdeal28078

    cdeal28078 Member

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    Nice rumpity rumpity 302, 4 speed, 3.70 gears in a light Maverick. Yeah loads of fun. Sounds like what I ought to do with my new 72 Maverick. lol
    clint
     

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