Stan Weiss wrote: ↑Fri May 11, 2018 2:20 pm
Let me start by saying if you are not going to post anything that adds something technical to the thread
PLEASE don't post. I know that could mean this will be the only post in this thread.
Let see how using Blair will help me select a cam.
I am going to use a 535 ci Pontiac engine for this example. bore = 4.35", stroke = 4.5", rod = 6.7", cr = ??? (Pump gas), Intake Valve = 2.22", Exhaust Valve = 1.77".
I want 900 HP @ 7500 RPM
Torque = (Horse Power * 5252) / RPM
► (900 * 5252) / 7500 = 630.24
BMEP = (Torque * 150.8 ) / Cubic Inches
► (630.24 * 150.8 ) / 535 = 177.645
Since Blair uses metric 177.645 = 12.2482 Bars
► BMEP_BARS = 12.2482
► (5.02 * BMEP_BARS + 57.78 ) / 10000 = 0.0119265964 <<<<<<<<<<<<<<
► (1.7775 * BMEP_BARS + 74.822) / 10000 = 0.009659317549999999
► (4.1185 * BMEP_BARS - 17.985) / 10000 = 0.00324592117
► (3.0296 * BMEP_BARS - 11.363) / 10000 = 0.002574414672
► (1.6329 * BMEP_BARS - 7.1871) / 10000 = 0.001281298578
► (2.4022 * BMEP_BARS - 14.57) / 10000 = 0.001485262604 <<<<<<<<<<<<<
OK, so what is my next step?
Stan