Alex,
Note that the previous function was:
suction = pressure * rpm / (rpm + 1.0);
Assuming pressure = 30.00 inhg, 3 inhg of suction required rpm.
4 inhg of suction required 1538 rpm, and 5 inhg of suction required
2000 rpm. At 700 rpm which is a reasonable idle speed, this formula
From: "Curtis L. Olson" <[EMAIL PROTECTED]>
> By my observation, the vacuum gauge should read just a little over 4-inhg
> at engine idle (600-700 rpm) and approach 5-inhg at about 2200 rpm.
> The previous equation returned a value that is far too low at idle and
> ramped up too quickly after that (
