Timing guide pivot/dowel upgrade

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  1. #1
    Senior Member Array rtusnake's Avatar
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    Default Timing guide pivot/dowel upgrade

    I have noticed over the past couple years alot of the higher hp modular guys was starting to have problems with the stock timing dowels breaking in the teskid block. Most of them seem to come from spinning and catching traction, putting more of a strain on the timing components. We noticed there is a good bit more material in the block to accept a larger stud. We decided to step the stud size up to a M8x1.25 over the stock 6mm stud. Install is pretty straight forward, just redrilling and tapping the hole for the new stud. These will also work in the wap and iron blocks. Haven't seen as many failures in the iron blocks though. I haven't had my hands on a boss block but they should work if it uses a similar size stock dowel.This a pretty simple part to make if you know someone with a machine shop. We also made several sets if anyone needs some

    The problem



    New stud vs the old


    Few extras

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  3. #2

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    Do this studs need to be torqued to spec and if so, what are the specs?

    Thanks

  4. #3
    Senior Member Array rtusnake's Avatar
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    I torque them to 12 ft lbs with red loctite

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  6. #4

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    Iron blocks take dowels. They dont screw in. Atleast on an iron 5.4 they dont.

  7. #5
    Senior Member Array oldmodman's Avatar
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    Quote Originally Posted by rtusnake View Post
    I torque them to 12 ft lbs with red loctite
    That shouldn't go anywhere.

    And if you ever need to remove it just heat it with a torch.

    I wouldn't mind buying a set for my next build. Since I'm too lazy to make my own.

  8. #6

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    Quote Originally Posted by Ironhand View Post
    Iron blocks take dowels. They dont screw in. Atleast on an iron 5.4 they dont.
    sure but those dowels are small and they can break as well. You can just remove them and have the hole drilled and tapped for this larger screw in style pivot stud

  9. #7

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    Quote Originally Posted by LS1KILR View Post
    sure but those dowels are small and they can break as well. You can just remove them and have the hole drilled and tapped for this larger screw in style pivot stud
    Im actually going to making some tool steel pins for mine here soon.

  10. #8
    Senior Member Array rtusnake's Avatar
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    I believe all the iron blocks use press in dowels. I would still go to a larger dowel if you plan to reuse the press in style

  11. #9
    Demented and old Array showme cobra's Avatar
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    i just have to say thanks for doing this for all of us, there are quite a large number of builds going on right now and this comes at the right time, the onslaught of great tech on this website has been quite strong lately with great tech threads from you and tony and ed and 03steve

  12. #10
    Senior Member Array rtusnake's Avatar
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    This site is great for tech, most of it exceeds my understanding at times lol.

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    Senior Member Array fasteddy03's Avatar
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    Are there any of these left?

  14. #12
    Senior Member Array rtusnake's Avatar
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    Yeap, several sets made up

  15. #13
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    Tried to PM but your box must be full.

    Interested in picking up a set.

    Thanks

    Tony [email protected]

  16. #14
    Senior Member Array rtusnake's Avatar
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    Cleaned the inbox some

  17. #15

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    ill also take a set!

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