engine busting up

OK put on the MSD Dist and the crane HI 6 Box and it got rid of the busting up. The carb is still a sore point It bogs a little off the line and back fires on the let off when you hit it hard other than that it pulls pretty hard up the rev limiter at 5500.

I was thinking of sticking that 950 on it just for grins, what would be the most likely out come with that much carb?

Also anybody have the part number for the MSD wires with the 45 degree plug ends for a big block?

Does anyone else run a big block in an abody what are the best valve covers to run for the least amount of iterferance.