Sheared Distributor Roll Pin

Discussion in 'Street/strip 400/430/455' started by Brett Slater, Apr 18, 2022.

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  1. Mart

    Mart Gold level member

    They make coiled spring pins. Might be stronger than a slotted pin, but hopefully they are designed to shear if needed.
     

    Attached Files:

    Mart, Apr 18, 2022
    #21
  2. Brett Slater

    Brett Slater Super Moderator Staff Member

    I called TA this afternoon and ordered some.
     
    Brett Slater, Apr 18, 2022
    #22
    Stage 2 iron likes this.
  3. dan zepnick

    dan zepnick Well-Known Member

    Brett this happened to me years ago.i ended up buying a bag full of double rolled-rollpins. Send me your address and I'll send you afew.
     
    dan zepnick, Apr 18, 2022
    #23
    sean Buick 76 and Brett Slater like this.
  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    You're missing my point. Let's say your cold oil pressure is 80 psi. What will the gauge reading be then?
     
    LARRY70GS, Apr 19, 2022
    #24
    1973gs likes this.
  5. Bigpig455

    Bigpig455 Fastest of the slow....

    I'd be interested to know what sender he is using.. Arent most PT-157 style senders 0-120 psi? But I do follow your point, the gauge stops at 60, the pressure not necessarily so.
     
    Bigpig455, Apr 19, 2022
    #25
  6. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    There are a number of ways to do the same thing. You could use something like this,

    https://www.amazon.com/KOOTANS-Fema...011&s=industrial&sr=1-13&ts_id=383612011&th=1

    You would need a reducer for the block,

    https://www.amazon.com/KOOTANS-Redu...+npt+female+bushing,industrial,61&sr=1-1&th=1

    How you plumb it from there would depend on what type of gauges you used, and clearance issues.
     
    LARRY70GS, Apr 19, 2022
    #26
    Brett Slater likes this.
  7. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    No, they are commonly 60 and 80 psi. Those are the ones that Todd sells.

    You mean PS-157? This one is an 80 psi,

    https://www.summitracing.com/parts/smp-ps157
     
    LARRY70GS, Apr 19, 2022
    #27
  8. Bigpig455

    Bigpig455 Fastest of the slow....

    Ahh I got it - they give the operating range in the Q&A section. The PS 154 is a 0-60 sender
     
    Bigpig455, Apr 19, 2022
    #28
  9. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    I have the stock Rallye gauge and an Autometer mechanical. My sender is an 80 psi. My cold start pressure is about 70 psi on the Autometer, and the stock gauge reads a bit above 3/4.
     
    LARRY70GS, Apr 19, 2022
    #29
  10. Bigpig455

    Bigpig455 Fastest of the slow....

    About where mine is - I made more of an effort to note the range at 160 during the dyno session 35-40 at idle, 70-80 at 5300 at 160 degrees with straight 30w. with the PS-157, 65 lbs is about 3/4 of the gauge, so that makes sense its a 0-80 psi unit. My cold start with 20-50 is pegged, so I'll probably have to go back to 10-30. Dont want to break roll pins!
     
    Bigpig455, Apr 19, 2022
    #30
  11. Jim Weise

    Jim Weise EFI/DIS 482

    Having to put a HD roll pin in, is a red flag. Either binding pump, or really high oil pressure at startup.
    Verify it with a live gauge, even if just installed temporarily.

    what do the teeth on the gear look like?

    JW
     
    Jim Weise, Apr 19, 2022
    #31
    m louk, Max Damage and Dadrider like this.
  12. 12lives

    12lives Control the controllable, let the rest go

    12lives, Apr 19, 2022
    #32
  13. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Yes, that is one way. For the big gauge sender, I would buy a tee where you could have the sender stick straight out, and use the side tee opening for idiot light or mechanical gauge tubing. It all depends on the gauges you use and physical space constraints.
     
    LARRY70GS, Apr 19, 2022
    #33
    Smartin likes this.
  14. Brett Slater

    Brett Slater Super Moderator Staff Member

    The teeth aren't showing any abnormal wear. Live gauge is next on the list.
     
    Brett Slater, Apr 19, 2022
    #34
  15. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Made this video in my car today as I was about to back out of Bruno's driveway. The car had been sitting for about 2 hours, so it was cool. I have an 80 psi sender powering the stock gauge, and the Autometer mechanical.

     
    LARRY70GS, Apr 22, 2022
    #35
    BYoung likes this.
  16. Bigpig455

    Bigpig455 Fastest of the slow....

    Nice. Thats about where mine is against the mechanical gauge
     
    Bigpig455, Apr 22, 2022
    #36
  17. Brett Slater

    Brett Slater Super Moderator Staff Member

    I'm installing the mechanical gauge tomorrow and will post the results when it's good to go.
     
    Brett Slater, Apr 22, 2022
    #37
  18. BadBrad

    BadBrad Got 4-speed?

    I've lost just two in thirty years. I think you could easily go with a 5W30 oil.
     
    BadBrad, Apr 22, 2022
    #38
  19. Brett Slater

    Brett Slater Super Moderator Staff Member

    Kinda ran out of time but did get at least the oil pressure gauge hooked up. Didn't have time to drill for the water temp line.

    After sitting for about 3 hours.

     
    Brett Slater, Apr 23, 2022
    #39
    dan zepnick likes this.
  20. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Didn't sound like you revved it much and it was headed for 80 psi.
     
    LARRY70GS, Apr 23, 2022
    #40
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