Yeah ...DONT DO IT!! from what I have heard in the past from many is that the 4 barrel set-up sucks big time!!! You will lose performance because of the way the gas gets dispursed 3 &4 will get plenty but 1 & 6 will be deprived...Your best bet is to stick with round dome SU's or go F/I......
Just my $.02
Z ya later
Mike K
P.S. I remember reading alot of posts where they tried it but most went back to SU's or to triples....