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  1. S

    1 piece floor pan?

    Does anyone know of a 1 piece replacement floor pan for an 87 GMC K20? I looked on different sites and can't find one. It seems the after market is lagging behind on the 1981 - 1987 c & k models in more than 1 area. I would like a 1 piece pan so as to eliminate visible seams from underneath...
  2. S

    tank selctor valve

    So I have the body off the frame of my 87 k20. Just starting to mock things up before the frame goes out to be blasted and painted. The 350 tbi is being replace with a 454 multi port fuel injected unit. I'm trying to track down a tank selector valve that can handle the high pressure that the new...
  3. S

    TBI to EFI Swap

    Hello, I'm looking for any info on switching in a 454 multi port fuel injected engine from a 350 tbi. The 350 is original to the truck and the 454 is a slightly use crate engine. the 454 comes with all the sensors & ecu. Just wondering what issues there are with the fuel system that will need...
  4. S

    New to Square body

    Hi , just joined. Seems like a wealth of knowledge here and hope to tap into it as I progress with my new project. Just bought a 1987 K20 Sierra. It's a 350tbi with a 400 th trans, Has a Dana 44 up front and a 9.5" 14 bolt out back. The body is in great shape with a few bruises from it's...

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