Quote:
Originally Posted by Mikester
For what?
msglngth
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Its actually a tuning trick. If you tune any turbocharged engine at 0psi while the throttle valve is full open, you get a proper VE curve, if the engine uses a MAP sensor.
Now you can copy and paste your VE curve to all load points at any boost level. It takes the guess work out of tuning boost, makes life easy.
Not to mention it is much safer to work out the kinks of a new combination at 0psi. I always tune every engine at 0psi before moving on to boost, if possible.