1981 gmc

  1. Tankiteer

    Stalling Issues at operating temps.

    Picked up a 1981 GMC C1500, swapped out the original inline 6 with a '72 350 Rocket. Motor runs amazingly at colder temps, has zero issues pulling at anything below 180. After that, the motor starts sputtering under load. If the gas pedal is pressed any more than an eighth or so inwards while in...
  2. Ryanbrown36

    Hydro boost brakes awful sound after finishing motor swap

    I have just completed a Oldsmobile diesel to sbc 355 swap and on my first start every sounded great but the first time I pushed my brakes in it make a grinding noise, and would go away when I let off, I’ve had the truck running about 10 times since then and would come on randomly at idle, now...

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