Gtm supercharger stg 2 bpv stuck closed?
 

So last night I took my car out for a ride after about 3-4 weeks sitting in the driveway due to winter and noticed my bpv not blowing/ releasing any air. Looks like it got stuck closed and won't open at all. I wonder if it is from sitting and got stuck or maybe it's frozen due to cold weather?
Any ideas how to tackle this problem? Maybe taking apart the bpv , hopefully free it up and lubricate it?

TurboSmart Multi-Spray

I use this on my BOVs.

Nice find chuck but are the ingredients.? petroleum distillates ?

It doesn't specify. It's some "special formula". :rolleyes:

Seems to work just fine on mine, but who knows. It might just be rebranded wd40. :rofl2:

+1, I use this on my bpv at least once a year. My bypass was stuck and this fixed my issue.

Do the bov end up with some sort of build up that requires some greasing?

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i dont find this normal. ive had the hks ssqv on my supra for almost 12 years now, and never has it been stuck in the closed position. even after extended periods between startups.

Mine had some dirt in it that mixed with the grease that caused it to get stuck. This is mainly due to where the bpv is located. The open part of the bpv was facing directly toward the front of incoming air, but I have since turned it to the side to decrease the amount of dirt that enters the bpv. I'll find out in a few months if that helped.

Took the bpv apart today. It was pretty dirty so I freed it up, cleaned it and and lubed it up with little bit of wd 40. Looks like it done the trick for now. If it happens again I will buy the turbosmart multispray.

i agree, the BPV on my eclipse never got stuck and it was on the car for 14 years

Happens with mine a lot too. Sucks about the location, needing to take the fascia off each time. I ended up using sewing machine oil. A lot cheaper, and according to the Turbosmart website, should work.

I'm losing boost again, and its likely the bpv again. Yes, it really sucks to take off the front fascia every time. This time I'm shopping for another bpv that doesn't require as much maintenance. I have my sights set on a Tial unit.

Which bov did they send you with your kit? Mine was supposed to have Tial but they sent another brand. Go figure with gtm..

Did you specify Tial? Mine was always Turbosmart unless you wanted to pay for the upgrade.

I didn't specify which brand I wanted. In order to use the Tial BPV, I will have to weld on another flange. My shop here in Texas assured me the Tial unit with a supercharger specific spring (softer) will work much better and require a lot less maintenance. I called TurboSmart today and asked them if they had another BPV/BOV to help minimize the every 6 month cleaning, and they were not very helpful and basically said it is what it is. Long story short, I will never buy another Turbo Smart product. It makes me feel good that I sold the TurboSmart EBC that I had when I was going turbo. I'll update everyone and try and get some pictures when the new unit is installed.

I just had my Tial bypass valve installed today, and miraculously my boost has returned! The Tial unit also sounds much better than the Turbosmart. My shop recommended this unit, as they use it on some of their 1000hp+ cars. The picture I included is the Turbo Smart unit. Do you notice the scouring that's going on in there? It will now be my favorite paper weight:)

I am assuming it is not a bolt on install? maybe different size? how about a video of how the new one sounds like? and what exactly did you pick up? and spring?

Thanks!

I didn't get a chance to take a picture of my new Tial unit before the bumper went on, but it looks just like the one pictured here. I wasn't sure how well it was going to work, but so far it seems that it was money well spent. The installer said he now remembers how much of a pain in the *** my bumper was to take off with both engine and Trans cooler stuffed under it! My welds are much cleaner than in this picture btw.

No, had to be welded on. You read my mind, I'll get video this weekend

Quick video of how the new Tial with the 2psi (supercharger specific) spring sounds. It sounds similar to the old Turbosmart, but much cleaner. The main thing is boost is where it should be now.

https://www.youtube.com/watch?v=vIttTHRQskU

Sounds freaken awesome

May will be 2 years since I've installed the stage 2 kit. I'm running the Turbosmart blow off valve and I'm not having any issues, however, the BOV is 90 degrees, facing the front passenger tire.

Maybe my unit was defective? All I know is my boost issue is gone and the car feels fun to drive again. Turbosmart does recommend cleaning the bpv every six months. I don't believe in skimping out on maintenance, but I'm all in for something that makes it easier. Off subject Staples, how often do you change your Green filter? I've been sticking to every other oil change.

Unless you're continually driving through a construction zone, every other oil change isn't needed. I haven't replaced or cleaned mine in two years, but it does get checked every time I'm under the car, it's fine.

I guess I have maybe 5 or 6,000 boosted miles on the car in two years. I did read online about every 6 month intervals in cleaning the BOV. That's not feasible when we have to remove the bumper. If I run into issues, I will be switching to the Tial option and ditching the Turbosmart.

I'm glad you were able to get your car situated though! Do you have a boost gauge by any chance or did you notice lack of power from the @$$ Dyno? :)

:eek: Project car?

I first had issues with the Turbosmart about a year ago. I noticed I could only hit about 2lbs of boost at 7000rpms. I took the bumper cleaned and oiled the bpv and boost was there again. Recently I noticed my boost gauge was reading 4 lbs at 6500 rpms when it usually would read 9-10 at this point. With the new Tial my boost is hitting 10-11 lbs again. My car's rear end is more squirrelly when stomping the gas, confirming my power is back. My car has now been supercharged for 3 years and 30k miles. I feel that I have just hit the refinement stage of getting everything where I want it to be.:rolleyes:

That's good to hear, man. I had to pick up a new set of stickier tires to keep the power on the ground myself. I love how discreet this kit is, especially when sneaking up on someone and unleashing hell. Their facial expression is priceless. :tup:

What tires did you go with Staples?

What do you guys have your spring tension set at? All the way dialed hard, soft, or in the middle? Turbosmart says the valve should be closed at idle, yet mine's not. I think I'd have preferred the Tial unit as well..

Sorry for the delayed response. I went with Michelin Pilot Super Sports 245/40/19 and 285/35/19.

The valve should be dialed all the way to the hardest setting.

I need to make sure to adjust mine too and I need to recirculate it got pulled over for the bpv need it to be quiet. Where did you install sensor for boost? I need to install mine soon

Would the HKS SSQV be a good option for my car with the GTM ST. 2 SC kit on it? Having a couple issues with the bov and there is maybe 800 miles on the kit. Pretty sure its a sticky valve, but recently been having some idle issues.

well the ssqv is tiny so you would need two to match the flow of the turbosmart.

Ah... Maybe the tial unit it is... Had some iffy idling issues today and it seemed like the bov was kind of sticking open unless I honked on it... Then again it could have been due to light snow and sub freezing temp.

TiAL has been having issues with their BOV's

Bah... That also sucks... I just want to find a good reliable bpv... Mine already has gouges in the brass on it, with only 800 miles.

i wonder if it wouldn't help putting a little pod filter or something over the end of it. Is this more common with BOV or BPV?

K&n sells those crankcase vent filters for cheap that would fit the bpv check out their site I saw them there that could help. Sadly I need to silences my bpv got a nice ticket out here in nazi CA

Here's the link just oil the inside? Lol. http://www.knfilters.com/vent.htm

It's hard to pinpoint the cause of idling issues. These cars (G37 included) are notorious for rough idles (even in stock form) and giving a lot of kickback when trying to relearn it. I had to increase my idle to about 750 - 800rpm from the stock 650 to offset the supercharger noise. I too have idle issues at times.

That's true, but I have never had an issue with it before... And this other day that I had the issues it stalled itself a few times at the stop light even... I need to get me a boost gauge, find out whats going on.