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Thread: help!!!!!!!

  1. #1
    Senior Member MASTER BUILDER
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    help!!!!!!!

    somebody tell me why all new poly mounts on motor and trans nothing is solid the driveshaft is not to long and i never made a pass almost did a burnout almost




    HOLY [email protected]* WHATS BROKE NOW

  2. #2
    Senior Member MASTER BUILDER
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    oh and is it broke to far back to put an ultra bell on it and use it?
    HOLY [email protected]* WHATS BROKE NOW

  3. #3
    Junior Member SHOW GUEST
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    May 2007
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    Well I've never heard of all poly mounts causing anything like that, although I've never tried it either. I run front and mid-motor plates with a poly trans mount and have never had a problem with that. I don't know what would have caused it but, I would think that case is garbage now It broke behind the front pump, even the sealing surface for the pumps O-ring is gone! An Ultra bell bolts to the front of the front pump.

  4. #4
    Senior Member EXPERT BUILDER
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    Tell City, IN
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    Please tell me more about your setup...
    What rear suspension? Leaf Springs? Pinion Angle?
    What kind of Car? How much Horsepower est.?
    That is crazy... :?

  5. #5
    Senior Member RACING JUNKIE
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    Jan 2008
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    wow

    WOW, I sure am glad I saw this post! I have never used poly mounts either, was going to put them on my latest "affair" (as my wife calls them). Thinking I may pass on that idea now!!
    Good luck figuring it out.
    Rudy

    Finally figured out how to resize pictures!!



  6. #6
    Senior Member MASTER BUILDER
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    ladder bar coil over about 3 degrees nova around 600. car has never made a pass i just started the burnout. i di test the transbrake twice in front of the house at 3000
    HOLY [email protected]* WHATS BROKE NOW

  7. #7
    Senior Member RACING JUNKIE
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    Sep 2007
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    :? Good lord.....I run a solid motor mount with a motor plate on the front and a stock rubber trans mount.. wow.....just, wow. Something is obviously wrong and it aint the poly mounts,in my opinion.

  8. #8
    Junior Member JOURNEYMAN
    Join Date
    Aug 2005
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    your having the same problem we are having on the 3rd 1 now we have a stroker motor with a balancer and flywheel for internal balance they are saying that might be doing it we are putting a 400 balancer and flywheel and try it again will let u know what happens if u figure yours out would like to know what it is hope u or i can get this figured out it costing alot

  9. #9
    Senior Member EXPERT BUILDER
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    If you did it in the burnout, then I would think it has to be in the Driveshaft...Maybe a U-Joint Failed maybe the driveshaft was bent?
    There wasn't alot of load on it during a burnout. So I am guessing you had the 7/8-1" of play for the driveshaft also. I had a U-Joint Break the Rear one twice..about the finishline and it did the same thing. I would put my money on a U-Joint Failure. I don't think the mounts had anything to do with it. I run stock rubber shells on the frame and a replacement rubber trans mount. No issue's.

  10. #10
    Senior Member MASTER BUILDER
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    i put new joints in befor i went. i had it running in gear on the jack stands when i finished it shifted from low to high had no vibration what so ever.
    HOLY [email protected]* WHATS BROKE NOW


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