JR2,
What is the basis for you 40 hp limit? I don't want to start any wars like the ones concerning oil preference but... .
I have stage 3 injectors (100 hp+) with boost fooler. I haven't any problems. Limiting myself to 30 psi of boost I get 285 rwhp and 617 lb ft of torque. I chose 30 psi arbitrarily as I have read about problems when PSIs get up around 40 psi. So I am sure I could make more measureable power but what's the point? Anyway, Yes I know you said sooner the transmission would die but there is a difference in how and when a box adds power and how and when injectors add power. Boxes are sudden and in the lower RPM range, injectors on the otherhand follow the stock (normal) fuel delivery curve and the power comes up smoother over the power band. This smooth power application IMHO is fine for my 5 spd transmission. I have read that the clutch should hold all the way to 850 lb ft. Wonder what other poeple think. Since most everyone was talking strictly hp I thought I would through my 2 cents in.