After reading an unnamed ricer magazine article on blow off valves, I have a question. They were testing different stock and aftermarket blow off and diverter valves.
They said with MAF cars, a diverter valve is needed because if the extra pressure is just blow off into the air the MAF will have already metered for that air and when it doesnt get to the engine the will run rich.
I am thinking that this is when the MAF sensor is not on the pressure side of the turbo. Am I wrong?
If I ran the MAF sensor on the pressure side of the turbo, and the BOV before the MAF sensor would everything work, no fuel metering problems? I would probably still route the air back into the turbo inlet to help lag after shifts, but I wannna make sure that if I didnt do that, I wouldn't be messing up my MAF sensor and having it not meter fuel right.
Thanks in advance.

Hunter

 

no one has an opinion? come guys help me out.....

Hunter

 

Your reasoning sounds right. Also, If you have the MAF on the intake side of the turbo, you should route the bov exhaust between the maf and the turbo.

 

Do you mean is the MAF is on the non pressure side of the turbo I should route its exhaust to after the turbo? If that is what you mean then wouldn't the boost on the pressure side just go through the BOV exhaust line and into the BOV...? Maybe im just confused.

Hunter

 

i have my bov releaset to atmosphere and my maf is on the pull through side.. i get a rich spike from time to time but no overall change in drivability or capability... and it sounds cool too