It will sound terrible and still wont be fast. 302 is the logical choice for a V-8 swap.
Just use a 302 timing cover and water pump.
289 (as well as 302) heads don't flow worth a crap unless they are ported, after which expense you could get aftermarket heads for only slightly...
Did you remove the resonator too?
Yeah, that's pushing it. You'd have to run a short aircleaner.
What are you needing to clear?
Looks good.
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