Re: 4.8 into 74 3/4 ton 4x4
I agree...gear ratio is a bigger factor than engine size...although a 4.8 is proven I would use at least a 5.3 if it were mine...especially if your gonna have to build the 4.8...5.3s are fairly cheap for a good running engine...you didnt mention if the free engine came with everything you need...acc,comp,wiring,maf,throttle,manis...etc
Also no mention of the adapters you'll need to go LS to sm465
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