Question about 1993 GMC Sierra

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I want to swap my 4.3 for a 350 and keep same tranny should there be any problem and what year 350 would be best and cheapest

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You shouldn't have any trouble bolting up to your existing transmission. I would try to get an engine from as close to your 1993 as possible because you will have to bring the computer with it and that would cut down on a lot of potential wiring splicing.
I would also give serious thought to using a 305 instead of a 350. You will only lose about 20 HP but it will be noticably better on gas mileage, especially if you are going to use it as a daily driver. Hope this helps.

Posted on Oct 03, 2010

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