not starting.. new engine

Discussion in 'Technical' started by justin has a 74, Jul 29, 2009.

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  1. justin has a 74

    justin has a 74 Maverick bandit official

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    it spins about half way and stops....

    and it is a high stall torque converter....

    should it spin freely and not stop???
     
    Last edited: Jul 30, 2009
    justin has a 74, Jul 30, 2009
    #31
  2. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    Sounds like you sheared one of or both of the dogs off the pomp drive gear.It is in neutral right???
     
    Mavman72, Jul 30, 2009
    #32
  3. rthomas771

    rthomas771 Member

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    With the converter nuts off...you should be able to push/slid the converter away from the flex plate. If it doesn't move then the converter is not set all the way on the input shaft. Twist and wiggle it more untill it goes back another 3/8" or so
     
    rthomas771, Jul 30, 2009
    #33
  4. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    It should spin on the trans with some resistance but nothing you cant overcome with a strong wrist.
     
    Mavman72, Jul 30, 2009
    #34
  5. 1973Maverick357

    1973Maverick357 Cooler then a Camaro

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    Maybe thats why he sold the engine so cheap?
     
    1973Maverick357, Jul 30, 2009
    #35
  6. justin has a 74

    justin has a 74 Maverick bandit official

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    its the trans not the engine...
     
    justin has a 74, Jul 30, 2009
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  7. Zooomzoomguy

    Zooomzoomguy Member

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    you should have no problem spinning the convertor when its in all the way, i never seen one where it required more force then 1 finger to spin
     
    Zooomzoomguy, Jul 30, 2009
    #37
  8. justin has a 74

    justin has a 74 Maverick bandit official

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    ray and i are going to tackle it this saturday... hes got a tranny the one i have needs to be replaced anyways...
     
    justin has a 74, Jul 30, 2009
    #38
  9. cdeal28078

    cdeal28078 Member

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    Yep, you should be able to turn the converter with a finger or two to line up the bolt holes. If there is not any clearance for the torque converter studs to clear the flex plate and allow the converter to turn then the converter is not back far enough on the pump.
    I have seen the ears or bolt bosses of automatic transmissions get broken off by people trying to use the bell housing bolts to pull a tranny up to the engine when the torque converter wasn't seated correctly.
    If the torque converter doesn't spin once the tranny is pulled up to the engine then something is wrong.
    I always make sure the converter remains free or loose once the engine and tranny mate together.
    clint
     
    cdeal28078, Jul 31, 2009
    #39
  10. shaunh82

    shaunh82 Member

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    I thought you were selling this car
     
    shaunh82, Jul 31, 2009
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  11. Bryant

    Bryant forgot more than learned

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    ive never had a c4 converter be able to spin once the motor and trans are bolted together. the studs on the converter have to lined up with the holes in the flex plate for the trans to be able to mate up to the block. chevys use bolts and they will spin when there motors are mated to the trans.
     
    Bryant, Aug 1, 2009
    #41
  12. Zooomzoomguy

    Zooomzoomguy Member

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    oh mine is aftermarket, had no studs hehe
     
    Zooomzoomguy, Aug 1, 2009
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  13. justin has a 74

    justin has a 74 Maverick bandit official

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    ok guys... ray and i got it together today to find out i had a truck c4.... yeh i know... crazy!!!

    anyhow... we used the 75 maverick c4 and the 157 tooth flexplate so i guess we are ready to go for tomorrow...
     
    justin has a 74, Aug 1, 2009
    #43
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