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OK Now we are talking, just wish I fully understand what is being said....
So now I am still kind of up a river without a paddle:
As I do not know how heavy my van IS, nor how much wind resistance it has at say 60, 70,80 MPH so I cannot really know what torque/hp I need to make those BSFC ratings...
I am afraid I need a little more help understanding that chart.
I am shooting for between 1000 RPMs and 1400 RPMs at 80MPG (I do a lot of my driving at that speed, many of the highways around here have 75MPH limits...)
So I can build both the transmission and rear end for those numbers.
BUT the engine is a unknown, so far EVERY 383 I look up is not built with any stock cam, all are Hot Rods...their power ranges are 2000/3000 to 6000.
Rich
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