I also like Weld's 4.8 idea. I was talking to someone recently who was doing a 5.3 swap in a Nova. The 4.8 and 4.2 vortec are two of my favorite motors.
I have had my eye on a 1986 Firebird 5 speed with a 350 vortec swap. The seller says it runs great but he can't figure out how to get it to pass California Smog check, and he says he has 30 years experience as a mechanic.
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2013 SSR XF-250
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