Recirculating

[RUSURE]

Is recirculating good or bad? What does it do for your car? Is the stock recirculating? If I have a stock BOV for now but I am going to by a Type S BOV later, what happens if I by a Injen Intake?

 

[hellotbone]

Is recirculating good or bad? What does it do for your car? Is the stock recirculating? If I have a stock BOV for now but I am going to by a Type S BOV later, what happens if I by a Injen Intake?

*Searching* would have found you the answers to this question. Recirculating is good because of the way your car measures the air coming into it. If you vent the BOV you car will run rich etc and not work properly. The only way to vent is blow through *search* for it. There are many threads on this. The greddy type S is a very good recirculating bov for the dsm. They have been discontinued so you might have a hard time finding one and end up with a Type RS that will need the recirc kit. If you buy an intake make sure it has the dump tube.

 

[ddavisaf]

Recirculating is good. That's all you need to worry about it until you get into the more advanced stages of tuning.
Otherwise, you're going to need to buy a GM Maf/with a MAF translator, new UICP, new Intake pipe set up for blow through. yada yada yada.....

When you buy your intake pipe, make sure it's set up to recirculate. Injen makes one that is.

 

[Ender]

Recirculating is a process of taking the air that is in the UIC and putting it back into the intake once the throttle plate closes. It is to prevent compressor surge. This is done with a rubber hose that goes from the BOV to the Intake pipe. This is already done if your car is stock. You can recirculate a GReddy Type-S (with the stock hose even, if I remember right). If you dont recirculate then you are venting. Basically, venting means that there is no hose on the BOV and the hole in the intake pipe is plugged. When you vent you get that pretty little "woosh" sound when you let off of the throttle under boost. This is not needed as it will sometimes make the car bog down or run a little funky. If you do this, then you are losing air that the ecu is already set for and the car will run rich between shifts (correct me if I'm wrong someone). It's considered ricey and pointless unless you have a setup where you can adjust for it.