5.3 engine interchange?
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5.3 engine interchange?
My brother needs a engine for his '99 5.3 Z-71. The truck is nice, so he wants a low mileage used engine. I believe the direct interchange is '99-'04. I've also heard that '05 and up can be used but requires some changes mostly with regards to the number of teeth on the crank trigger. I was told there's an electronic box to do this. Can anyone shed some light on this project? Thank You!