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What Year/Models Did These Gauge Clusters Originally Come In?

Discussion in 'Electrical & Audio' started by just_some_guy, Feb 15, 2021.

  1. Bennyt

    Bennyt Full Access Member

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    First Name:
    Ben
    Truck Year:
    1977
    Truck Model:
    C10
    Engine Size:
    350
    I remember a blue light.
     
  2. Bennyt

    Bennyt Full Access Member

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    First Name:
    Ben
    Truck Year:
    1977
    Truck Model:
    C10
    Engine Size:
    350
    nvrenuf said:
    I believe the 89-91 speedos had a 7 character odometer instead of 6.

    So was I.
    5 for miles and 1 for tenths, 6 total. I bought my '89 Jimmy with 5k miles showing on the odometer when it actually had 105k. I bought it off Sheriffs Department(Riverside County, Ca if I recall) and they said that they could no longer use the vehicle for traffic violations as the odometer did not show "actual mileage". The glovebox was filled with probably a hundred monthly speedometer certifications for accuracy.
     
  3. nvrenuf

    nvrenuf Full Access Member

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    Mobile, Al.
    First Name:
    John
    Truck Year:
    1991
    Truck Model:
    K5
    Engine Size:
    454
    Then it may just be the electric speedos in 90-91 but I'm 99% sure they displayed 100k.
     
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  4. RecklessWOT

    RecklessWOT Full Access Member

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    First Name:
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    Truck Year:
    1987
    Truck Model:
    V10 Suburban Silverado
    Engine Size:
    350 TBI
    Not sure which trucks they came on specifically, but I know for a fact that I have seen clusters that have an extra digit for over 100k miles on super late squares. @Old77 has a '91 crew cab with the extra digit if my memory is correct
     
    Last edited: Feb 22, 2021
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  5. Daveo91Burb

    Daveo91Burb Full Access Member

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    First Name:
    Dave
    Truck Year:
    1991
    Truck Model:
    V2500 Silverado Suburban
    Engine Size:
    Vortec 383, modified TBI/4L80e
    My '91 has the extra digit and so did my '90 parts rig. And I'm pretty sure my '89 K-5 did not have it, but that was 24 years ago. I think the extra digit coincides with the 1 mph increment marks on the speedo - pretty sure those were just in '90 and '91 as well.
     
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