Formula for the gm 3 bar map sensor is v 8 94 14 53 i have no idea why it s 14 53 and not 14 696 rounds up to 14 7 but it works out on gm s chart every time.
3 bar map sensor wiring diagram.
Whether your engine has forced induction or is naturally aspirated these holley map sensors will keep your engine performing at its best.
886 012 539 609 701 3 bar.
749 861 the logic module uses the manifold absolute pressure map sensor to determine the absolute pressure not the relative to atmospheric pressure of the air inside the intake manifold and the atmosphere barometric pressure.
It is possible that detroit is slightly above sea level and you can use 12 11 in the formula for 1 mile above sea level.
It is mounted to a bracket on the side of the 1990 1992 tpi plenum and uses a vacuum hose elbow connection to a fitting in the intake manifold plenum.
When forced induction pressures exceed 2 bar such as with the 1989 turbo trans am a 3 bar sensor is required.
039 460 883 876 153 2 bar.
They re available in 1 2 and 3 bar models.
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The most universal 1 bar map sensor is gm 12569240.