Blueprint 408 carburetor

I have a Blueprint la 408. Blueprint website says 34 degree total timing at 4000 rpm. Looking around I see a consensus of 16-18 initial and 34 -36 all in at 3000. 408 has Comp 228-4 4150- 750 4 speed and 3.55 8 inch. Would all in at 3000 or 4000 be better option for primarily street car.
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