easy way to tell: check your drive presure!
eaven at a 1:1 reatio, you are makeing enough boost/drive to open the valves by them selves, and i doubt in that range you are seeing a 1:1 ratio. i bet @ 50 psi you see 75psi drive or more. add rpm to the game and its just borrowed time.
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03 3500 4x4 HO 6SP 4.10's, 35" toyos, 18s, smarty TNT, H2O/METH, DDP 120's, DDP 66/14/74, 110lb springs, studs, diy fca, t/r mod, Blade runner, Glacier, MBRP, 5100's
574/1160 @ddp 3-07-08 tnt on #5