If that is the case, I wonder why they would put the divider on the 2560 for S15's & not for the Z32 Either way, my setup is working great. I hope to be on the dyno again sometime this year to get an update on the numbers I'm making.
Tecky is right WE tried the 4 bolt (Bo Ling) years ago and no good. The more recent ones coming out of USA show more promise, but still a ?