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Old 05-21-2018, 02:24 AM   #4
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Join Date: Dec 2009
Location: Independence Mo
Posts: 3,441
Re: 2006 5.3 vortec swap advice

I agree with the others, keep the EFI, that's one of the best parts about an LS. As for a harness and accessories, they're dirt cheap for a truck engine and the pick n pulls around here anyway are full of them.
My '72 short bed build.

5.3 swap into my RUSTY '71 C10 (avatar truck)
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