HRL, correct me if I don't have this right but rule of thumb has been 10psi/1000RPM. Is that still safe to assume. I remember the older Detroit Diesel's, 7-8psi at hot idle and 35-38 psi wound out. I agree with you, more pressure/volume is wasted energy.


1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy