I tried that but the car was very jerky transitioning from vacuum to boost(the check valve is not fast enough?). I am now using a check valve on a t to bleed the pressure off and it works better but not perfect. I read that a valve called the missing link is supposed to work well and get rid of any sputtering at low rpms. So I will try that and I'm going to use a SAFC to handle the maf and tuning. Anyone have a SAFC lying around they want to get rid of? I ended up having to go out of town this morning and didn't get back till after three. I'm so behind at work I feel bad about taking tomorrow off.

Oh well. I know you guys want to see the vid I'll try to get it uploaded ASAP.
Originally Posted by sonoronos
Just do what the honda people do. Use one-way check valves to prevent boost from reaching the map sensor.
You don't need the MAP sensor to read boost. Just make it read atmospheric and let the FMU deliver the fuel.