5.0 swap w/stock C-4 trans

Discussion in 'Technical' started by dagger, Oct 5, 2012.

  1. dagger

    dagger Member

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    BBBWWWAAAHHH!Help!,does anyone know or has anyone put a 5.0 in with the stock tranny?can we use the old balancer & flexplate or do we have to re balance the whole thing or get a newer tranny?the C-4 bell housing is too small for the 5.0 flex plate that came w/the motor.
     
  2. billrogers

    billrogers Member

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    depending on year of 302 its either a 28 oz or 50 oz and you have to use the rite balancer and flywheel for that year motor so even if it bolts on dont use the wrong one it will wipe the bearings out of the lower in
     
  3. billrogers

    billrogers Member

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    u can get a smaller fly wheel 157 tooth if it is a v8 bell housing and not a 6 cyl
     
  4. Krazy Comet

    Krazy Comet Tom

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    Assuming your 5.0 is newer than '82 you need a 50oz, 157 tooth flexplate for a C4 trans...
     
  5. dagger

    dagger Member

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    it's a 92 from a stang,so I can hit up Ford or somewher and get one for my C-4,so I can finally drive it!?we drove it from our house to the store n back 1 time after i bought it and dad said the pencil snapped......I didnt know what a drag that was gonna be!
     
  6. dagger

    dagger Member

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    with the 5.0 balancer,not the older 302's?any other advice,were putting a carb on for now.
     
  7. 71gold

    71gold Frank Cooper Supporting Member

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    :Welcome: :Handshake

    what size motor did you have?
     
  8. silver70

    silver70 Eric

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    x2.

    Ha! A few years back, I reversed what you're doing... I wanted to hook a '91 AOD to a '74 302. Bought a 164 tooth 28 oz. flexplate (if I remember correctly) and a TV cable with adapter linkage for the carb. Never installed it, though. Still have all the stuff in boxes. Oh, well. :huh:

    Eric
     
  9. Krazy Comet

    Krazy Comet Tom

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    AFAIK the front ballancer must match the crankshaft which is what dictates whether the engine needs 28oz or 50oz... Ford went to the 50oz setup in '81 and then to the one piece rear seal in '82, so all engines that have the one piece rear seal are 50oz imbalance...

    http://www.rowand.net/Shop/Tech/FordFlywheeslAndFlexplates.htm
     
  10. 71gold

    71gold Frank Cooper Supporting Member

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    not all...my 5.0 was 28 oz....:yup:
     
  11. Krazy Comet

    Krazy Comet Tom

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    Interesting, also goes against everything I've seen and read for the last 30 years...
     
  12. dagger

    dagger Member

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    ok,this is pops(helping the lad)The comet,originally had the 302 in it stock.dip stick in timing cover,frt sump pan blah blah and youre a di.....The 5.0 is from a 92 mustang,mass airflo motor.the balancer indicates its a 50 oz from its appearence.so my guts telling me 50 oz/157 tooth flex pl8. Now,were also slapping the carb back on the 5.0 an I was wondering if the dist gear needs to be of a different material.the one off the 5.0 wont fit the shaft of the dura spark dist.does it need to be swapped.BTW,you cats rock,your help is INVALUABLE!:bowdown:
     
  13. Krazy Comet

    Krazy Comet Tom

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    The steel cam gear will eat the iron gear on the Duraspark dist... Doesn't happen immediately but will pretty much toast after 10K mi or so...
     
  14. silver70

    silver70 Eric

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    Bronze or steel distributor gear will work with the roller cam gear. Mail orders like Summit Racing or Jegs will have them if anyplace near you does not.

    Eric
     
  15. 71gold

    71gold Frank Cooper Supporting Member

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    '93 5.0... 347...:yup:
     

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