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454 swap

Gary1989
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Gary1989 New Member

Gary1989

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I recently bought a 1989 3500 4x4 with a Tbi 454. The engine was supposedly rebuilt with5-10 miles on it. The current engine has a knock, probably a rod. I am thinking about getting a low mileage pull out from a 91. They seem like better engines. I found a couple low mileage ones out of a rv. The current engine has a smog pump which I believe the 91’s don’t seem to have. Any thoughts?

Edited by Gary1989
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