Re: 72 GMC Longbed Duramax Swap
When I had my Cummins, I was having lift pump issues so instead of buying a $500 one, I decided to go cheap and put a holley blue pump on the frame rail it worked for about a year and a half or two. Probably not the best way to do things, but cheaper and fixed my issues. Without regulator it was giving me about 14 psi
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