Originally Posted by
oohogwash1
I bought a twin scroll 0.82 for my GT, have not run it yet but Mark said it will come in quicker that 0.63 std... someone else said a 1.06 twin scroll would be quick too but I find that hard to believe...
Forget trying to compare the ar numbers from twin scroll to single scroll. Also a .82 housing on twin scroll is to small to work at its best without surge lower down and capping hp at the top.
Mark