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  1. M

    1990 moon gauge issues

    Temp gauge reads 260 but reads 200 at the temp switch. Has full tank but reads ¼ and the speedo is of by a lot. Tire size is stock. What's going on. Known issues? Fixes?
  2. M

    1990 5.7 hard 2-1 downshift.

    Truck has a hard 2-1 downshift coming to stop. Adjusted the TV cable and still does. Any other ideas? Does this part look like it came from the trans? Maybe this is causing the shift
  3. M

    Coolant temps

    Mechanical autometer gauge is my next step I think.
  4. M

    Coolant temps

    I'm looking into this 1 because I have no running history with this truck. Bought it a few years ago. Only drove it once from few houses away and tore it apart. Finally got it back together with new engine, paint, interior. 2 the gauge in the truck is reading 240. So that has me concerned. The...
  5. M

    Coolant temps

    1990 5.7. When I put my temperature gun to the sensor or the t-stat housing it reads 160-170 give or take. When I check the other sensor near exhaust it reads any where from 220- 260. What should this sensors temp be reading? 210? My engine running hot?
  6. M

    1990 5.7 drivability issue

    I forgot to mention, new 02, new plugs, new wires, new cap and rotor. Where can I find a TBI rebuild kit? Something autozone will carry? Thank you for the info.
  7. M

    1990 5.7 drivability issue

    1990 c 1500 with 5.7. When I bought the truck, it had a stumble at 1st hit of the throttle. Didn't worry about because the truck was torn down for paint and body and new motor. Now I have it all back together and running and the stumble is still there. New fuel filter, tps is set. No check...
  8. M

    Part identification

    I have slowly been building a 1990 c1500 5.7 with my step son over the course of a few years. Came across this and thinking possible transmission part. Not 100% sure

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