Looking to Swap my 1990 Chevy 3500 1 ton 2wd with a SM465. It has a 350 small block in it now. Looking to swap a 12 valve cummins into it. What do I need to buy or fabricate. I've never done anything like this before. I have a understanding of what it involves. I would like to know if I can buy an adapter plate online to go to my SM465 or is the bread van adapter the way to go? My grandpa will be helping me with the swap. He was a diesel mechanic years ago. He really doesn't agree with the swap because it's not a Chevy engine. I would like to go with a 6.2 or 6.5 but there isn't many around here and I don't know much about them. The truck is all original 22,000 miles. Don't mind the pulled out tow mirrors LOL :smile2:.
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