4 Bar MAP sensor for DFI

[Flanagan, Stephen CECOM RDEC STCD]

Does anyone have info on a 4 Bar MAP sensor that can be used to replace 
a 3 Bar sensor on a ACCEL DFI system.  I am running an excess of 35 lbs of
boost and the DFI is only mapped up to 3 Bar or roughly 30 lbs of boost.  
I would like to substitute the 4 bar sensor for the 3 bar sensor, and lie
to the map. My one concern is if the output of the 3 Bar sensor is relative
to
the output of the 4 Bar sensor.  I am guessing here but for Example: on the 
3 Bar sensor, voltage output is 0 - 5 volts which equals 0 to 3 Bar.  For
the 
4 Bar sensor, 0 - 5 volts should equal 0 - 4 Bar.

I am looking for a specs on the 3 bar and 4 bar sensors and some
feedback if anyone has tried something like this in the past.

If anyone can educate me on this it would be greatly appreciated.  thanks in

advance.

sf
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