LetsGetThisDone

iTrader: (1)

Because on throttle, both port from the valve cover are being vented into the turbo inlet. Off throttle, it has a PCV valve that opens and allows the vacuum from the intake manifold to keep crank case pressure under control.

GrabbinGears

No I'm running 93. I also have a jb turbo. I didn't know there was water issues with e85. Makes sense because ethanol would have a small percentage of water in it. Good to know I plan to go flex fuel.

GrabbinGears

The STM Can is a sealed system. The difference between a sealed vs vent to atmosphere can is like the difference between a turbo charged engine and naturally aspirated in reverse. Instead of pushing air in to the motor a sealed system uses the turbo to pull air out of the crank case. A VTA system just lets air vent all nauterale. Wich means there is always going to be a very small amount pressure in the crank case to push air out. And since we all drive turbo cars I think we could all agree that turbocharged is better.

EvoIIIAj

iTrader: (1)

Just took a look at it again and I understand the difference now. You seem to have experience in the area, you think I should try the catch can before the valve cover mod? I'm currently on stock PCV set up.

LetsGetThisDone

iTrader: (1)

The way STM sets this up, you don't need the valve cover mod.

WickedRSEvo

iTrader: (7)

Thanks everyone for your responses. I'm pretty much sold on this can. Now, I have to justify $600ish for this kit. Not saying it's not worth it, but that's a lot of money. I dumped a good bit of money into the car this winter. It's not if at this point, but when. Decisions, decisions.

EvoIIIAj

iTrader: (1)

Sucks for me I need to buy the USDM VIII valve cover to use it. I have a JDM VIII which has same valve cover as the VII. I need a new valve cover anyway because of a small crack so time to find over a grand for a cover and this catch can lol.

LetsGetThisDone

iTrader: (1)

You can get a good used cover for 150-200

N3WBI3

iTrader: (1)

Here's my installed pics.

WickedRSEvo

iTrader: (7)

^ have you driven the car to notice a difference? Were you having crankcase pressure issues prior to install? Looks quality by the way.

N3WBI3

iTrader: (1)

I had blue smoke on downshifts on my fp zero. Just drove it yesterday but am not able to 100% tell a difference since I changed so much over winter.

WickedRSEvo

iTrader: (7)

That's a ball bearing turbo, correct? Were you blowing the dipstick out before? Leaky valve cover? That's my problem. I have a journal bearing red, so no problem there. I'm just curious what steered you toward the stm.

N3WBI3

iTrader: (1)

The old setup was just VTA where I drilled out the side of my valve cover. After speaking with STM and FP about why I was getting crankcase pressure and smoke, FP advised they would take a look at the turbo only if I had a correct crankcase ventilation system. And VTA was not it.

The dipstick never actually popped out, but it almost did as itwas unseated. And yes, it's ball bearing.

WickedRSEvo

iTrader: (7)

I have also spoken with FP and STM. I got the same information. So I guess that's good. One last question. What's the third port on the front of the stm can? Thanks.

N3WBI3

iTrader: (1)

I think it's for like a vented dipstick?? I'm not sure. It comes with a -6 plug though better seen here