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Dizzy U-joints

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  • Dizzy U-joints



    Just put in a couple rebuilt90s in a home. Very nice rebuild job, I might add.
    Both lanes have an orange plastic U-joint on the drive shaft. I've not seen this specific one. It seems it may be causing an occasional hesitation between the 4-7 as I cannot find anything else to blame.
    What is y'alls opinion of these? Has anyone attributed a tend to pause here when the u-joint is in a particular position in it's rotation?

    I always seemed to go back to the originals that were encased in black rubber. Is there a better one now?
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    This post is not an unpaid promotion of my business.

  • #2
    We've had pretty good luck with the Pit Bulls. I did run into a few bad ones, but that was a few years back. We had to do the finish work on them to smooth them out. I remember seeing an advert for the orange or red ones, but can't remember the manufacturer.
    Necessity IS NOT the mother of invention. Laziness IS the mother of invention.

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    • #3
      Original Apex ( scrap the orange ones )
      If at first you don't succeed, try, try, again. Then quit. There's no use being a damn fool about it." -W.C.Fields

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      • #4
        I use black plastic from AMF....cannot beat the price...I inspect yearly and toss if there is any slop.....A couple drops of oil on the plastic cannot hurt...that is what I do

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        • #5
          Originally posted by 8270king View Post
          I use black plastic from AMF....cannot beat the price...I inspect yearly and toss if there is any slop.....A couple drops of oil on the plastic cannot hurt...that is what I do
          Same here. Occasionally you'll get one that runs a bit rough in the corners, but it will calm down in a couple of days as it breaks in.
          9th Amendment!

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          • #6
            Originally posted by Gym View Post
            We had to do the finish work on them to smooth them out.
            i too have run across this/these, its like the plastic around the Hole for the pin was too beefy, not letting it pivot freely at all angles. I too Load up on the Black AMF UJoints, never had any problems. When im bored ill go through and Drop Lube on them while running, figure it can't hurt them.

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            • #7
              Same as the King, black then red, not seen orange. Just a few bucks and if you don't have pile ups they run along time.

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              • #8
                We like the metal AMF ones here, can't say I've really ever had any problems with them.

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                • #9
                  Along time ago there was a metal one with the bumpy rubber black cover that would'nt last a half a season. That turned me off of the metal ones. Apex were pushing $50 bucks.

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                  • #10
                    Metal only here. They last a looong time.
                    If it cant be fixed with a hammer, use a bowling pin.

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                    • #11
                      I have some Apex ones in my center with August/85 stamped on them. I do have a few of the orange ones on the shelf, but when a metal one is going and going well when it's 22 years old I don't see the need to change them. Everything will break in time there's no getting around it, but the black AMF ones, you can get a year, you can get a month. You just never know with them and when the possibly of ruining a perfectly good carpet is at hand, I'd rather skip it. As far as lubricating them I know they can handle it, but the thought of plastic + a petroleum product, weighs heavy on my mind.
                      Change the chassis, is not the answer.

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                      • #12
                        Just had a thought. Is there a way we could run a safety loop around the drive shaft to keep it from falling into the pit? Kinda like the drive line safeties we ran years back in case you spun out of the shaft.
                        Necessity IS NOT the mother of invention. Laziness IS the mother of invention.

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                        • #13
                          I think you could. 2 collars with a thin cable loop loosely between them, and attached to the bottom of the motor pan. Cold be used to hold the shaft in place while you change distributors.
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                          This post is not an unpaid promotion of my business.

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                          • #14
                            We have tried both the red and black plastic. In my opinion they are both identical. They are OK at best, as it was said here before, you only get about a year out of them. I have always been a huge fan of the apex cuz of their durability. Late last season we got some metal u-joints from Stahl's that were completely different then what I had seen before. I am not certain of the manufacturer. You can tell that they are well built and should last a very long time.
                            I can't even spell Brunsw-ick anymore!!!

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                            • #15
                              So many people have had great success with the Apex so years ago I had to try them but they actually didnt fare well for me. It seemed that the boot was so tight that it inhibited the 7 and 10 bend of the joint/shaft until after a short while the boot blew open and spewed its contents on what was my new back then orange ragtop gates carpets. YUCK
                              70's MP/PBL/LBS,Q-Score
                              Prolane Walker sport

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