GM/MAF Translator questions

[jfdid]

Originally posted by TalonBlitz00
no you have to run a blow through pipe because the bov is after the mas in the way you described. you need to run a blow through pipe after the bov to vent to the atmosphere. Also venting to the atmosphere has a more positive efferct other than the sound. The rush of air from the bov causes air turbulance, not too noticable but you can pick up a small amount of power when wenting to atmosphere.

The CBV/BOV recirc's for a reason, to keep the turbo spinning a little bit faster between shifts, to reduce lag. Granted the DSM system is definetly not very effective at doing this, and I've seen better. But I'd like to see a comparison between the gains achieved by recirc'ing and venting(to reduce turbulance). I'm going to try both when I get my MAF, maybe I'll let you guys know if I find anything useful.

Now, someone really worried about losing spool or who wants to decrease lag between shifts will use the ECU's(stock or EPROM) rev limiter and keep their foot on the gas between shifts to avoid the turbo from losing spool.

 

[ChicagoGSX]

I don't really think venting the BOV back into the intake affects lag between shifts that much. That rather small amount of air can't possibly keep the compressor spinning at the speeds necessary to make boost. The loss would be negligible.

 

[jfdid]

Well it's an obvious gain to Mitsu because that's their design. I agree though, not much of a gain.

 

[johnh]

Im not sure if this would work, but, could you install the GM MAF between the throttle body and the throttle body elbow? to me that would just make more sense. has anybody ever done this or is the GM too big for our throttle bodies.

 

[Bd1000Eclipse]

i don't see how you would connect it?

 

[jfdid]

I'm sure you could do it with some MAJOR mods. I'm assuming you're just looking to basically bolt it in to keep your UICP intact?

THe GM MAF's come in 3 or 3.5" are aren't "bolt in." They use couplers so it'd be really tough to attach it to the throttle body itself.