Recent content by SquarebodyGmc
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Catalytic converters: does your square have them?
I have a 1983 GMC K3500 with an auto trans and a 454. The whole exhaust was stripped all I had was the manifold. After multiple muffler shops denied my request to only run mufflers I finally found one that would do it. In North Carolina. They told me it had to go back to the way it came from the...- SquarebodyGmc
- Post #40
- Forum: Engine & Performance
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1983 GMC k3500
Hello Y’all. I’m new to this site and looking to learn from what y’all have to say. I have a 1983 GMC 3500 High Sierra . My grandpa bought it new for a pulling truck around the farm. It sat for 13 years after he died and I recently turned 20 and decided to get it running. It has only 160,000...- SquarebodyGmc
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- Replies: 9
- Forum: Garage
