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  1. 7

    3in body lift pucks

    Hello all, GMC 78 k25 has a 4in suspension and 3in body lift pucks between frame and cab/bed had 44 on it the new 37s i got i have a 1.5inch truck height problem cant ge tinto garage without letting air out of front tires and mounts on truck are original and beyond worn. I bought new body...
  2. 7

    1978 GMC K25 power steering question?

    Hello all, have a quick question regarding power steering pump lines I have a 78 gmc k25 and the threaded line going to back of pump and barbed line with clamp are both leaking 1 day old refurb pump. Does the threaded line to back of pump need and o ring? Do both lines going into steering box...
  3. 7

    78 K25 Top Radiator mount

    Yes i know I got the wrong size radiator is there any mount that would work for this as the 17 mount I had with my plastic sided radiator will not work. See pictures.
  4. 7

    SBC 350 78 GMC K25 engine mounts and traingle brackets?

    Getting ready to drop my rebuild in truck these go in between block clamshells and block itself does anybody remeber the orientation and which one goes to which side of block and what direction?
  5. 7

    1978 GMC K25 under grille

    Does anyone have a picture of a 78 GMC square with the GMC unobtainable grille removed? Picture of front of truck from fender to fender just the grille and light bezels removed.
  6. 7

    1978 GMC K25 under grille, bezels, and above bumper panel.

    Hello, all was wondering if anyone has in their phones or has on hand pics of the front of a 1978 GMC K25 withouth grille, round light bezels, and lower parklight body panel installed right above bumper. I stripped down entire front of my truck to paint everything and lost some pics during...
  7. 7

    Engine installation 78 K25

    Hello all, this forum has been a very informative source of information for work on the truck and just square stuff in general. I have a 78 GMC K25 with factory 350 and sm465 np205 in it. Engine came out no problem at all. A new to me 350 is going in, in its place with roller cam setup. My ...

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