Venting the Stock BPV on an ST205 GT4, Bad or is it ok? Options

[Goonter]

Ive been reading all night about blow off valves and bypass valves. All i seem to read about is bad things (besides the sounds it makes) about blow off valves. Things like you run rich, lose power and crap like that. I wanted to know if this is the same way for 3SGTE ( i would assume so) Also does running rich every time you shift gear waste a noticeable amount of gas?

Also say i don't get a BOV. The BPV is designed to recirc the air back to the intake box. If i get an Apex'i intake filter to replace my box, Is there any way i can recirc the air back to the intake system? (btw I'm just getting the filter. The rubber intake piping will stay. I noticed the BPV is bolted onto the box so i see no way of getting it recirc'd to the intake system unless the piping was metal and a flange was welded onto it for the BPV to bolt onto.

This post has been edited by Goonter: Sep 24, 2011 - 6:08 PM

[Sunny]

Hi,

the advantage of a BOV is very simple, it protects the turbo to began pumping which means high stress for it -> pumping = turbo spins but no air flow

if you use a sencond gen. 3S-GTE is the problem that the MAF calculated the air for the ECU but she doesn't enter the engine becouse she went to athmosphere -> the engine run to rich
to solve this just went the air back in front of the turbo after the map sensor

the 3rd gen. uses a MAP sensor to calculate the correct fuel which means the wented air is not calculated -> no rich mixture

greetz

This post has been edited by Sunny: Sep 19, 2011 - 1:33 PM