Thanks for the input everyone - looks like I'm going to go with ProMax as part of a rebuild of the carbs.

Looking at the specs below, where do you suggest I jet the carbs at least to get started?

413 std bore and stroke

10:1 compression

Cam Lift (int/exh) .320/.320
Valve Lift (int/exh) .480/.480
SAE Duration (int/exh) 302/302
SAE Timing: BTC = 43; ABC = 79;BBC = 79; ATC = 43
Lobe Center (int/exh) 108/108
Lash Hot (int/exh) HYD/HYD
.050 Duration (int/exh) 236/236
.050 Timing BTC = 10; ABC = 46; BBC = 46; ATC = 10

TTi 1 7/8 primaries

Auto TQ stall speed 3,200 rpm.

'71 SSP - SOLD!