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  1. volfan72

    TRUE DUAL OPTIONS - K1500 with Manual Trans

    Much gratitude for any contributions regarding crossover pipe from drivers side exhaust to passenger side. Mandrel bend options included. Minimum 2.5” Photo for reference….system seems to be discontinued.
  2. volfan72

    4 wheel drive vs 2 wheel drive engine mounts

    Why are these different? I do not see the step in my K1500 crossmember that matches the step engine mount.
  3. volfan72

    4.3 to 383 Blueprint Sniper EFI

    This is a thread created to share my experience with replacing my factory 4.3L V6 with a Blueprint 383 Sniper EFI. My motor is scheduled for delivery in 10 days. I’ve accumulated parts from the radiator to the transmission to complete this project. I’ll try to update this thread as the truck...
  4. volfan72

    Recently reupholstered headliner and seat

    Recently had my headliner and seat reupholstered. I wanted a seat that was more traditional and thicker than OEM. I also did not like the 40/60 design. Installed sound deadening on the roof before installing new headliner.
  5. volfan72

    Clutch hydraulic line replacement

    Slave cylinder leak prompted a hydraulic clutch line overhaul. Recently my 90 K1500 started becoming difficult to go into gear. Previously I had zero issues with clutch slipping. Looked under the truck to find hydraulic fluid underneath the slave cylinder. Decided to replace clutch master...
  6. volfan72

    Newbie without access to classifieds

    My apologies if this breaks protocol. My 1990 Sierra K1500 is having a new 383 Stroker installed from Blueprint as soon as it delivers. The stock unmolested 4.3 V6 with 57,000 original miles is of no use to me. However, it is in excellent condition and freshly serviced. What suggestions...
  7. volfan72

    90 K1500 V6 to V8 swap. MOUNTS

    Hey Guys, I could not find this information anywhere in a manner that I trusted. I’m replacing my 4.3 V6 for a 383 V8. Do I need frame mounts and motor mounts? Can the frame mounts be purchased new? What is needed just in regards to the motor being mounted?
  8. volfan72

    90 GMC K1500 52K mile Farm Truck

  9. volfan72

    90 GMC K1500 Crate Motor ECU issues

    Newbie here. Hope this is okay. I recently acquired a 90 GMC K1500 single cab with 52K miles from a relative. It’s a 4.3 V6 with 5spd Manual running 33” tires. I’m wanting to put in a Blueprint Crate Motor with Holley Sniper. Will my water temperature, voltage, oil pressure gauges still work...
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