Oh Yes! Forgot to answer the fuel-pump question.
Yes, its a Mallory 140 with 3/8th pipe.
I also have 1-7/8th headers, all mandrel bends.
As for the sound,at the drags everyone raves about how damn crisp & strong it sounds.
Lots of people come & tell me its the best sounding car there. I sit on 7000-7200 doing my burn-out for them.