Gtm supercharger stg 2 bpv stuck closed?

Tombonombona · 04-15-2014, 03:18 PM

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.

1slow370 · 04-15-2014, 04:47 PM

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

Tombonombona · 04-15-2014, 05:42 PM

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.

Plasmite · 04-15-2014, 05:44 PM

TiAL has been having issues with their BOV's

Tombonombona · 04-15-2014, 05:51 PM

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.

1slow370 · 04-15-2014, 06:31 PM

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?

martin82 · 04-15-2014, 11:33 PM

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

martin82 · 04-15-2014, 11:35 PM

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

Staples · 04-16-2014, 01:53 AM

Quote:

Originally Posted by Tombonombona

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.

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.

Tombonombona · 04-17-2014, 12:01 PM

Quote:

Originally Posted by Staples

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.

Staples · 04-17-2014, 04:46 PM

Quote:

Originally Posted by Tombonombona

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.

Funny you mention that (not really funny) but I had the same exact issue about stalling. Turns out there was too much fuel in closed loop idle on the tune. Once the fuel was pulled, it sorted itself out.

Whoever tuned your vehicle, you should have them do a live data log at idle when the car is warmed up and adjust the air/fuel as needed. You could also have them slap it on the Dyno and if they can "Tee" in and check boost levels if their Dyno is applicable for it (if you're worried about a boost leak or BOV becoming stuck).

Tombonombona · 04-17-2014, 06:45 PM

Quote:

Originally Posted by Staples

Funny you mention that (not really funny) but I had the same exact issue about stalling. Turns out there was too much fuel in closed loop idle on the tune. Once the fuel was pulled, it sorted itself out.

Whoever tuned your vehicle, you should have them do a live data log at idle when the car is warmed up and adjust the air/fuel as needed. You could also have them slap it on the Dyno and if they can "Tee" in and check boost levels if their Dyno is applicable for it (if you're worried about a boost leak or BOV becoming stuck).

Once I get my boost gauge I should be able to tell if I have a leak... As for the tune, it was GTM that did it. I data logged the car, sent them the info, he pushed some buttons, and sent me a tune ( repeat a few times )... It might have been an isolated case. Sub freezing air plus rapid decompression caused by bov might have caused the vapour to freeze on the unit... Will have to test more once it stops ******* snowing..... But still, an essentially brand new bov should't be scored up already.

Tombonombona · 04-22-2014, 03:16 PM

So an update... It's nice and warm out, I am almost certain it is stuck open as I can hear it venting even while under accel. And the car is running super rich and has much difficulty staying idling.... So I figure I might just try to clean up and lubricate the turbosmart bov/bpv ( not sure which it is) but it really should not be acting up with such little use on it.....

Any suggestions on action that can be taken would be greatly appreciated.

Update I had it running (barely) out in the shop. At idle the bpv was closed, and the air fuel ration according to my laptop was at a steady 10.000 : 1 so that is really not good.

04-15-2014, 03:18 PM	#31 (permalink)
Tombonombona Base Member Join Date: May 2012 Location: Sk, Canada Posts: 159 Drives: 2012 370z Mag Black Rep Power: 13	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. __________________ Tom B. Exotic Speed R2 Titan Catback-GTM Stage 2 Supercharger 522 whp on a mustang dyno 2004 Subaru STi **SOLD WRITTEN OFF**

04-15-2014, 04:47 PM	#32 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	well the ssqv is tiny so you would need two to match the flow of the turbosmart. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

04-15-2014, 05:42 PM	#33 (permalink)
Tombonombona Base Member Join Date: May 2012 Location: Sk, Canada Posts: 159 Drives: 2012 370z Mag Black Rep Power: 13	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. __________________ Tom B. Exotic Speed R2 Titan Catback-GTM Stage 2 Supercharger 522 whp on a mustang dyno 2004 Subaru STi **SOLD WRITTEN OFF**

04-15-2014, 05:44 PM	#34 (permalink)
Plasmite Enthusiast Member Join Date: Aug 2012 Location: Canada Posts: 259 Drives: '12 M6 Panty Peeler Rep Power: 13	TiAL has been having issues with their BOV's __________________ WISHLIST

04-15-2014, 05:51 PM	#35 (permalink)
Tombonombona Base Member Join Date: May 2012 Location: Sk, Canada Posts: 159 Drives: 2012 370z Mag Black Rep Power: 13	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. __________________ Tom B. Exotic Speed R2 Titan Catback-GTM Stage 2 Supercharger 522 whp on a mustang dyno 2004 Subaru STi **SOLD WRITTEN OFF**

04-15-2014, 06:31 PM	#36 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	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? __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

04-15-2014, 11:33 PM	#37 (permalink)
martin82 A True Z Fanatic Join Date: Nov 2011 Location: los angeles Posts: 2,636 Drives: 12 Nissan 370Z MB M6 Rep Power: 20	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

04-15-2014, 11:35 PM	#38 (permalink)
martin82 A True Z Fanatic Join Date: Nov 2011 Location: los angeles Posts: 2,636 Drives: 12 Nissan 370Z MB M6 Rep Power: 20	Here's the link just oil the inside? Lol. http://www.knfilters.com/vent.htm

04-22-2014, 03:16 PM	#43 (permalink)
Tombonombona Base Member Join Date: May 2012 Location: Sk, Canada Posts: 159 Drives: 2012 370z Mag Black Rep Power: 13	So an update... It's nice and warm out, I am almost certain it is stuck open as I can hear it venting even while under accel. And the car is running super rich and has much difficulty staying idling.... So I figure I might just try to clean up and lubricate the turbosmart bov/bpv ( not sure which it is) but it really should not be acting up with such little use on it..... Any suggestions on action that can be taken would be greatly appreciated. Update I had it running (barely) out in the shop. At idle the bpv was closed, and the air fuel ration according to my laptop was at a steady 10.000 : 1 so that is really not good. __________________ Tom B. Exotic Speed R2 Titan Catback-GTM Stage 2 Supercharger 522 whp on a mustang dyno 2004 Subaru STi **SOLD WRITTEN OFF** Last edited by Tombonombona; 04-22-2014 at 06:56 PM.

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