Originally Posted by SRTpowa
One of the reasons I put the block off plates on, low end torque definetly dropped. I haven't tried them out with the 178 yet or new tune, but once I get the Code3 mid-sized pulley on there and pushing more air, maybe they will be more beneficial.

worth a shot...fwiw we had a c32 with a 192 that we put on a dual straight through exhaust that lost HP and low end torque. (stupid backpressure)
There is some math involved in this one, and I'm not about to start tackling that project........yet