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Sweet score at Pick-n-pull this weekend

Discussion in 'The Garage' started by mofugly13, Jan 13, 2004.

  1. mofugly13

    mofugly13 1 ton bucket of rust Premium Member

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    I picked up this up at the Oakland Pick-n-Pull for $12.99.

    [​IMG]

    I even got the harness to go with it. It came out of an '81 GMC C20. Now I just gotta make it work with a '79 Burb wiring harness I picked up on ebay. When I eventually get around to rewiring the K5 I think this will be pretty sweet. /forums/images/graemlins/thumb.gif
     
  2. mountainexplorer

    mountainexplorer 1/2 ton status

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    /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif Good deal.
     
  3. nvrenuf

    nvrenuf NONE shall pass! Premium Member

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    Now that is sweet!! I've found several for the 100mph version but never one for the later 85mph cluster. Very nice! /forums/images/graemlins/thumb.gif
     
  4. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    That reminds me, I need to find a pointer and spring for my gear indicator. Good find dude.
     
  5. dyeager535

    dyeager535 1 ton status Premium Member

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    Thats a steal! /forums/images/graemlins/smile.gif

    When you get it up and running, I'd be interested to hear if yours is off as much as mine and my dads are. No matter how I figure it, the tach is off by a fair amount, especially at higher RPM's. With gearing, mph, and using even widely varied tire sizes for calculations, it isn't as accurate as it should be.

    Not trying to bring you down, they are cool, just interested to hear if yours is "off" like the others I've found to be.
     
  6. one ton burb

    one ton burb 1/2 ton status

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    I wish i could find one with a tach
     
  7. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    www.yearone.com can get that broken tach fixed for you. It's about $75. /forums/images/graemlins/thinking.gif

    hehehe If it isn't sitting on zero I's about lay down money it was bad. That style tach has a set of return springs that wrap around the shaft (forget what they are called). They snap and don't give enough physical resistance so the tach reads high. At a estimated 3k the tach in my 79 that sat about the same place with the key off as that one read 4,700 RPM. Still a good score for the price and worth repairing.
     
  8. Steve_87K5

    Steve_87K5 1/2 ton status

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    it should sit on zero when the 12v power is on. 12v power off, needle sits above zero. It is a taut-band type meter movement. This is how my '87 works and RPM agrees with scan tool (Diacom).
     
  9. nvrenuf

    nvrenuf NONE shall pass! Premium Member

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    [ QUOTE ]
    This is how my '87 works and RPM agrees with scan tool (Diacom).

    [/ QUOTE ]

    Your 87 has an OE tach? /forums/images/graemlins/eek.gif
     
  10. naranja72

    naranja72 1/2 ton status

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    good score, I've seen those go on ebay for a couple hundred bucks!
     
  11. dyeager535

    dyeager535 1 ton status Premium Member

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    Yeah, mine goes to 0 when it's got 12V, but cruise RPM's are off by somewhere around 500-1000, depending on actual vs. advertised tire diameter and the slight speedometer error, which are both impossible to nail down, but still, 500RPM is a lot of error when in the 2000-3000RPM range.
     
  12. Steve_87K5

    Steve_87K5 1/2 ton status

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    Yes, I bought just the tach at dealer and installed it in '87 Cluster.
    tach ('79-'87) $209.00 25054251
     

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