more fuel pressure

[Frank F Parker]

> 
> This is a msg from few weeks back.  I had wanted to ask, what is the deal
> with 1, 2, or 3 bar MAP sensor?  Aftermarket FI systems often has this
> feature...
> 
> -- 
> Frank M. Lin	   | G.speed - Z.Speed Trust HKS DC-Sports Razo/Carmate Soei

Frank,

1 bar is 1 atmosphere or 14.7 #. Thus a 1 bar sensor is used for naturally
aspirated engine while a turbo up to about 15 psi uses a 2 bar and over
15 psi use a 3 bar sensor.

Frank Parker