If you had 1 noisy lifter...

Discussion in 'Engine Tech' started by bluegate, Sep 28, 2017.

  1. bluegate

    bluegate
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    I dont think so. I looked them over pretty good before painting them. DS was welded by someone on the past. I think its a lifter or maybe an injector? I did however send them to caspers so they can do whatever they do to them. So..... start over with preload, but go 3/4 past contact? As long as rocker threads are in spec? And, it has been at the same volume from initial start up till now.

    Not really audible beyound idle. Possibly quieter when i had a qt of lucas in it. Oil is 10/40 royal purple


    Will a wideband pick up leak in header?
     
  2. BEATAV8

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    One of my cars has:
    FTS 210/215
    Johnson reduced travel lifters
    Harland Sharp 1.55:1
    150lb on the seat

    It's certainly not quiet, sounds like a roller setup with higher spring pressures often does
     
  3. bluegate

    bluegate
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    Im fine with uniform valvetrain noise. The single tick annoys me.
     
  4. Ed Valvo

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    I don't run 885's so this may not apply to you but going tighter on one of my old projects made them all sound the same. Having one ticky lifter drove me nuts.
     
  5. Pronto

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    Does the ticking go away with oil pressure rise? Might be just some crud in that one and it's sticking.
     
  6. bluegate

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    I think so, or the rest if the valve train is masking it. Motor is relativey quiet except that one lifter mostly at idle. About 1500 miles on this mostly used parts motor

    When we say "sticking" what exactly is it? Stuck up, down, what makes the actual noise?
     
  7. Jerryl

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    Stuck lifter.
    Note the plunger is stuck DOWN.
     

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  8. bluegate

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    Are both of those down, or just the bottom one in the pic where you cant see the rest of the plunger? Thats a 1/2" more from the top of the lifter.... that would make a ton of noise, right?
     
  9. Jerryl

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    They were all stuck on my car.
    But . . . I was dealing with other issues.
     
  10. bluegate

    bluegate
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    That's got to be loud, even if it were only 1 lifter. I can rule out a bad lifter, i hope, and mess with preloads. I need to get a hold of full throttle to know what i have in there. Dude i got it from just said comps, no specific number.

    Think I came across the thread discussing your issue. Hope you got straight without to much heart ache.
     
  11. Bigfatrat

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    Following. I'm having the same issue and it's driving me nuts.
     
  12. Jerryl

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    The car was ran for a very short period while trying to diagnose the issue. LOUD is almost an understatement.
     
  13. bluegate

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    Yeah, that would be stupid loud while running.
     
  14. bluegate

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    How about the lateral play in shis spacer?

     
  15. Boost231

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    That lateral play looks fine

    Sent from my SM-G935T using Tapatalk
     
  16. bluegate

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    Thank you sir
     
  17. bluegate

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    After resetting preload to 3/4 past zero, I can say everything sound equally as loud as the noise i thought was a single lifter. I guess its the "sewing machine" reference that I've read about.

    "If" 3/4 is too much, how will I know? Decrease in overall performance? Different afr readings?
     
  18. Boost231

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    Do a leak down with the rockers attached. If its got to much pre load you'll know

    Sent from my SM-G935T using Tapatalk
     
  19. bluegate

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    I dunno boost231, I might stop sweating over this thing and just mash the pedal.
     

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