22-23psi will see the most power, and no, leave the 3 bar in

 

so set to around 18 with bleed all the way closed then adjust the bleed? And this would be the boost at which it first starts to hold at not the spiked boost correct and then expect it to drop to around 16-17 by redline?

 

you need to have the bleed open some to start. You will just open it up more after you set the b&s. 18-19psi and then increased to 22-23 would be where i would go to start. I will taper off some to redline, but not as much as with the n75

 

is it pretty sensitive to tune?

 

Nope, you can set it to high and can just pull over and drop the psi back down. Just find what you think is the sweet spot and you will be a happy camper with the nicer power curve

 

Half the reason I want to get tuned is so I can install an MBC; being limited by the N75 is frustrating

 

im going to keep the n75 plugged in and just pull the hoses, but where the n75 has the nipple going into the intake that should remain there correct?