Recent content by 85 Squarebody76

  1. 85 Squarebody76

    Smoke troubleshooting

    If the smoke is pure white after motor running for 10 plus minutes then the trans vac modulator is bad. When the diaphragm goes bad the motor sucks the fluid up and into the motor and burns it .. hence the chalk white smoke. It will smoke as long as the motor is running.. Check the trans fluid...
  2. 85 Squarebody76

    Towing with a 305 V8?

    I have the exact model but with GMC flag on it... 305cuin Th350 3 speed with locking converter
  3. 85 Squarebody76

    Any tricks to thread speedo cable back through grommet in firewall?

    split the grommet and put around the cable and push into the firewall hole
  4. 85 Squarebody76

    Throttle cable way too long

    I had the same problem.. What I did was loop the cable out of the firewall up and over back towards the firewall and complete the loop and come down off the bottom of the loop and go to the carb attachment point
  5. 85 Squarebody76

    Grinding Noise While Braking

    Sounds like the carrier bearing rubber cushion in the drive shaft squeaking
  6. 85 Squarebody76

    1978-86 Rochester Fuel Filter Seal

    I always reused them back in the 60's.. Never had a problem with leaks...
  7. 85 Squarebody76

    Odd cable/control going to foot feed.

    Snow plow control Maby ??
  8. 85 Squarebody76

    Smokes way to much?

    We used to use ford umbrella seals back in my day and they worked great instead of the O-ring factory style. And NO the guides were not ever machined for them either back then...
  9. 85 Squarebody76

    Odometer

    The odometer is driven by the speedometer gear inside the head... so if it don't work I would take it apart and lube the gear inside the speedometer that turns the odometer assy..
  10. 85 Squarebody76

    Fabbing an alt support bracket

    I would thread the back of the mounting boss of the alternator (top pic ) and make a bracket from there to the 12 point bolt in the intake manifold.. clean and sturdy too
  11. 85 Squarebody76

    Where does the engine smoothness come from?

    Not if you know what your doin... proper jets for motor size correct float adj and choke settings and idle adj and correct mixture screw adjustments...
  12. 85 Squarebody76

    What have you done to your square lately??

    I installed a black soft taunna cover on my GMC long bed. Keeps the leaves and krap from the trees out of the bed...
  13. 85 Squarebody76

    Seized engine?

    I would look for a GM long block crate motor If I were you.... never had much faith in Target motors myself.. IMO..
  14. 85 Squarebody76

    Just brought home an 85

    Welcome from Raymore,Mo and another GMC..."chev" owner. We all know GMC's are better.. HAHAHAHA
  15. 85 Squarebody76

    454 spits out carb at 20% or so throttle at low speed

    Intake valve sticking ?
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