Fine Tuning a 360 Magnum with a Brawler "Double Pumper"

Holley makes an offroad carburetor that has a different metering block that allows for a 40° ascent, and 30°decending.
I never tried it, nor know anyone who has.
The edelbrock's and the holley version of the autolight (summit brand) both have their jets down low and do well off road