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Guage Diameter

Discussion in 'The Garage' started by paintyouup123, Mar 23, 2006.

  1. paintyouup123

    paintyouup123 Registered Member

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    What are the size of the factory guage openings. The four little ones on the left side of the instrument panel on an 89 GMC Sub. I am installing an aftermarket tranny temp guage and I was wondering what size it is. Thanks
     
  2. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    Exactly the size for standard cheap gauges , 2 1/16 , they fit snug and the clamps and wiring have enough room behind it to avoid the gauge cluster . All I did was cut the plastic glass out off .

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  3. paintyouup123

    paintyouup123 Registered Member

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  4. sweetk30

    sweetk30 professional hooker Premium Member

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    2 5/8 if you want to cut out the hole and mount flush. but the angle will be off a bit.
     

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