I had my car on a mustang II dyno this weekend with some disappointing results. I’m hoping someone here can help point me in the right direction for fixing it. Texas speed shortblock, aluminum 5.3 sleeeved and bored to 4.125”. 4” stroke, wiseco -2.8cc pistons, 0.051” head gasket, 11.5:1 compression. LS7 heads ported by Texas speed 265cc intake, and milled to 69cc chamber. MSD intake, ported with 102mm TB. 1-7/8” headers. Cam is a Pat G. Stage 2 LS7 cam with 240/252 duration 112 LSA 108 ICL.