Im in pretty much of the same boat as the rest of you, trying to build an engine that will detach my retinas when I punch the gas. I've come to learn some truths about engines as i've gone along in life and my job (im a mechanic), it is easy to over cam an engine that will see mostly street duty and occational drag strip time. I've had several friends run low 13's with an E303 cam with a good set of heads (Trick Flow, Edelbrock, Ect.....), but do not want the idle roll problems of that cam. For my combo (brand new block, I beam rods, TRW forged pistons, stock crank, stock oil pump, Canton windage screen,Aluminum flywheel, ported stock E7TE heads with chevy 1.94/1.60 intake and exhaust valves 56 CC combustion chambers and heavily ported) I chose the B303 cam. I have driven mustangs with this cam and liked the power, it comes on hard at 3000 to 4000 depending on the combo but is still soft enough down low so as not to make your mustang a pain in the *** to drive in the rain. As for the lift, if you subsitute 1.7 rockers instead of 1.6's you will get .510 lift instead of.480 which is better than the E303 without the idle problems. With the above combo 12.70's at 105 MPH in the quarter are possible in a combo that is easy to live with on a daily basis.
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