Bruce ( Shrinker )

its a proform main body with a stepped downleg booster.
both are at WOT.
both venturis are on the same side of the engine.
with the holley the combustion on that side is upsetting the flow out of the holley booster.
on the smartcarby it is not.
with the smartcarby the combustion changed dramatically.

i will write something later on about the smartcarby and the main reason that Bruce built them.