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      1980 GMC k 3500, Does anyone know what size bolts hold this two-piece driveshaft flange onto the output of the transfer case? It's the...
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      The drive shaft that came with my truck is about 3 in Long then it should be, it came with the automatic transmission from the factory...
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      fnny6770 replied to the thread 17-in rims.
      I spoke with a guy at Motorsport tech and he hears of these issues all the time, he's very familiar with the rim hub diameters of a lot...
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      fnny6770 replied to the thread 17-in rims.
      On a side note they fit snug inside the rim, the outside diameter 121.3, mm but they fit a little loose on the hub, 116.7 mm inside...
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      fnny6770 replied to the thread 17-in rims.
      This is the exact measurements of the rings that I bought that allow these wheels to fit my 1980 GMC
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      fnny6770 replied to the thread 17-in rims.
      I bought those rings off of Amazon, they have many different sizes made out of different materials.
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      fnny6770 replied to the thread 17-in rims.
      Update, I bought a set of hubcentric rings for my 1980 GMC dually to mount 17 inch wheels from a 2010 Ram 3500, so far so good
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      fnny6770 replied to the thread Dual fuel tanks and valves.
      Here is a photograph of the switch
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      fnny6770 replied to the thread Dual fuel tanks and valves.
      The wires that come off my switch are pink pink with the white stripe light blue and green, there's a black wire hanging there but I...
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      fnny6770 replied to the thread Dual fuel tanks and valves.
      Thank you I will use these diagrams and see what I can find, my question too is where is this selector valve that switches the fuel from...
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      fnny6770 replied to the thread Dual fuel tanks and valves.
      I forgot to mention the gas gauge stays in the full no matter where I position this switch
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      My 1980 GMC 1 ton dually has dual fuel tanks on looking at the switch does anyone know which color wires or number goes to the left tank...
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      fnny6770 replied to the thread Receiver hitches.
      Maybe this design?
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      My 1980 GMC dually currently does not have a receiver hitch, there are several good used ones on Facebook market but I don't know what...
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      Someone wants to give me a set of 3.73 ring and pinion out of a 2002 GMC Sierra 2500 HD, would they possibly fit in my 1980 GMC 1 ton...
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