Blitz bov - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

TurboStrong · 11-21-2009, 07:38 PM

i just added my blitz bov to my hotpipe, and i have a problem the blitz only blows off on high ass rpms, and on lows rpms between shifts i compresser surge?

is this normal?

^fraktal^ · 11-21-2009, 07:55 PM

the adjustment nut should be just tight enough to not leak at idle. otherwise everything else is pretty much out of your control.

burnsauto · 11-22-2009, 11:16 AM

If its just a few lbs thats its surging at (like 2-3) I really wouldn't worry about it TOO much. Just take some time to fine tune the adjustment on it. drive it around and see how you like how its reacting. Also, just make sure you dont have a vacuum leak..that can make a BOV lazy.

TriniTT · 11-22-2009, 02:33 PM

I'm having the same exact problem with mine and I'm trying to search to figure out what the problem is. I've adjusted it all the way out and it makes no difference. I've been told to find a looser spring, but I'm not sure where to get one other than from Blitz directly.

Om1kron · 11-22-2009, 05:40 PM

the blitz bov is just kind of shitty imo... I have it pretty soft and the boost leaks out at 6000rpm, but at full stiffness it blows off once I'm at full boost, but anything below it surges, to be quite honest I would be happy just eliminating the bov. seriously it's just a t25.

TurboStrong · 11-24-2009, 07:42 PM

I just tightend the nut all the way and its still doing it.

and also when im in high boost i hear a loud hissing as well.

Psycho 240 Freak · 11-24-2009, 08:11 PM

I have the same issue with my Blitz BOV as well. Loosen it up too much and the engine will stumble between shifts. Tightening it up a bit more and you get surge under low boost. I've come to just accept the characteristics of an atmospheric bov and a maf. I thought about going with Synapse, HKS, or recirculating, but I've also seen those people have the same issue as well. I blew my old turbo which was a used HKS GT2530, but I think that's due to constantly pushing 20 psi rather than the bov. The turbo's been beaten on a lot before I got it too. I've had family members who run with some surge at low boost for years and their turbos are fine. I'll eventually recirculate my bov to see if it helps out though.

TurboStrong · 11-24-2009, 09:01 PM

damn thanks for the info^^^^^

shoot anyone got any solutions for this problema?

Om1kron · 11-24-2009, 09:41 PM

either get a different blow off valve or just stop running one. I don't hear of a lot of people running Tial wastegates but full race loves them. I am really partial to them although they're fucking huge.

slider2828 · 11-25-2009, 09:31 AM

THis is like super old news guys. Blitz was always known to leak hands down.... There really isn't a fix, but what I might try is to remove the paper gaskey between the bov and the pipe and use rtv.... Try also different heavy duty screws that won't stretch.... Its amazing to me 20 psi blowing outta the thing held down by two little screws...

Chops@MVP · 11-25-2009, 10:07 AM

The Blitz DD BOV is known to leak. We have had issues with their BOV for over 5 years and refuse to run it. HKS SSQV is the cheapest, highest quality BOV on the market.

Regards,
Robert

slider2828 · 11-25-2009, 03:46 PM

^^ I agree HKS SSQV is a solid performer and never once had a problem.

TriniTT · 11-26-2009, 11:02 AM

Quote:

Originally Posted by TurboStrong

i just added my blitz bov to my hotpipe, and i have a problem the blitz only blows off on high ass rpms, and on lows rpms between shifts i compresser surge?

is this normal?

I just discovered the problem I'm having. I took apart the bov to clean it and try to figure out why it only blows off at high rpms. I discovered my spring is red, which Blitz designates as their hard spring, intended for high boost apps (18+psi). I ordered a regular spring so we'll see if that helps once it arrives.

I know it's possible to buy these bovs with the hard spring already installed, so I wonder how many are out there that people purchased used that have the hard spring unbeknownst to the buyer.

slider2828 · 11-27-2009, 12:09 PM

My Buddy got his in a kit, I think that one is the normal spring. Surging at low boost really doesn't do anything to the turbo.... BUt the thing is, this POS leaks. Can't have that.....

TurboStrong · 11-27-2009, 01:15 PM

thanks slider28282 you have been very helpful!!!!!!

+1 for you!

matalic SR · 11-27-2009, 01:36 PM

i use a TurboSX RFL and i have no problem with it under low boost or high boost. and i had a greddy RS and it also was fine. the price for either is not that bad

TurboStrong · 11-27-2009, 03:33 PM

does anyone know is the type-rs bov fits on a blitz flange?

slider2828 · 11-27-2009, 05:15 PM

Greddy and Blitz is going to be different.... sorry

11-21-2009, 07:38 PM	#1
TurboStrong Nissanaholic! Join Date: Jun 2008 Location: L.A Posts: 1,707 Trader Rating: (21) Feedback Score: 21 reviews	Blitz bov i just added my blitz bov to my hotpipe, and i have a problem the blitz only blows off on high ass rpms, and on lows rpms between shifts i compresser surge? is this normal?

11-22-2009, 11:16 AM	#3
burnsauto Post Whore! Join Date: Dec 2006 Location: 717, PA Age: 39 Posts: 3,324 Trader Rating: (6) Rides Gallery: burnsauto Feedback Score: 6 reviews	If its just a few lbs thats its surging at (like 2-3) I really wouldn't worry about it TOO much. Just take some time to fine tune the adjustment on it. drive it around and see how you like how its reacting. Also, just make sure you dont have a vacuum leak..that can make a BOV lazy. __________________

11-22-2009, 05:40 PM	#5
Om1kron Post Whore! Join Date: Sep 2004 Location: Granada Hills, CA Age: 44 Posts: 6,992 Trader Rating: (15) Feedback Score: 15 reviews	the blitz bov is just kind of shitty imo... I have it pretty soft and the boost leaks out at 6000rpm, but at full stiffness it blows off once I'm at full boost, but anything below it surges, to be quite honest I would be happy just eliminating the bov. seriously it's just a t25. __________________ Wayne Edwards https://om1kron.blogspot.com

11-24-2009, 08:11 PM	#7
Psycho 240 Freak Zilvia Member Join Date: May 2006 Location: Northern California Posts: 227 Trader Rating: (0) Feedback Score: 0 reviews	I have the same issue with my Blitz BOV as well. Loosen it up too much and the engine will stumble between shifts. Tightening it up a bit more and you get surge under low boost. I've come to just accept the characteristics of an atmospheric bov and a maf. I thought about going with Synapse, HKS, or recirculating, but I've also seen those people have the same issue as well. I blew my old turbo which was a used HKS GT2530, but I think that's due to constantly pushing 20 psi rather than the bov. The turbo's been beaten on a lot before I got it too. I've had family members who run with some surge at low boost for years and their turbos are fine. I'll eventually recirculate my bov to see if it helps out though. Last edited by Psycho 240 Freak; 11-24-2009 at 08:35 PM..

11-24-2009, 09:41 PM	#9
Om1kron Post Whore! Join Date: Sep 2004 Location: Granada Hills, CA Age: 44 Posts: 6,992 Trader Rating: (15) Feedback Score: 15 reviews	either get a different blow off valve or just stop running one. I don't hear of a lot of people running Tial wastegates but full race loves them. I am really partial to them although they're fucking huge. __________________ Wayne Edwards https://om1kron.blogspot.com

11-21-2009, 07:55 PM	#2
^fraktal^ Zilvia Member Join Date: Aug 2003 Location: Seattle Age: 42 Posts: 223 Trader Rating: (23) Feedback Score: 23 reviews	the adjustment nut should be just tight enough to not leak at idle. otherwise everything else is pretty much out of your control.

11-22-2009, 02:33 PM	#4
TriniTT Zilvia Junkie Join Date: Jan 2009 Location: Birmingham, AL Age: 40 Posts: 444 Trader Rating: (6) Feedback Score: 6 reviews	I'm having the same exact problem with mine and I'm trying to search to figure out what the problem is. I've adjusted it all the way out and it makes no difference. I've been told to find a looser spring, but I'm not sure where to get one other than from Blitz directly.

11-24-2009, 07:42 PM	#6
TurboStrong Nissanaholic! Join Date: Jun 2008 Location: L.A Posts: 1,707 Trader Rating: (21) Feedback Score: 21 reviews	I just tightend the nut all the way and its still doing it. and also when im in high boost i hear a loud hissing as well.

11-24-2009, 09:01 PM	#8
TurboStrong Nissanaholic! Join Date: Jun 2008 Location: L.A Posts: 1,707 Trader Rating: (21) Feedback Score: 21 reviews	damn thanks for the info^^^^^ shoot anyone got any solutions for this problema?

11-25-2009, 09:31 AM	#10
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	THis is like super old news guys. Blitz was always known to leak hands down.... There really isn't a fix, but what I might try is to remove the paper gaskey between the bov and the pipe and use rtv.... Try also different heavy duty screws that won't stretch.... Its amazing to me 20 psi blowing outta the thing held down by two little screws... __________________ Turn and Burn!

11-25-2009, 10:07 AM	#11
Chops@MVP Zilvia FREAK! Join Date: May 2007 Location: Bridgeport,Tx Posts: 1,441 Trader Rating: (16) Feedback Score: 16 reviews	The Blitz DD BOV is known to leak. We have had issues with their BOV for over 5 years and refuse to run it. HKS SSQV is the cheapest, highest quality BOV on the market. Regards, Robert __________________ 940-683-8282 x20 Robert Del Angel CLICK HERE FOR OUR FACEBOOK PAGE!!! FOLLOW US ON TWITTER!!! Master Distributor for : RPS, Tein, Seibon, Haltech, HKS, Greddy, Cusco, Blitz, Koyo, AEM, Map ECU, Eibach, Tokiko, Power Enterprise, Work, Volk, Fidanza, Defi, ....and so many more!!!

11-25-2009, 03:46 PM	#12
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	^^ I agree HKS SSQV is a solid performer and never once had a problem. __________________ Turn and Burn!

11-27-2009, 12:09 PM	#14
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	My Buddy got his in a kit, I think that one is the normal spring. Surging at low boost really doesn't do anything to the turbo.... BUt the thing is, this POS leaks. Can't have that..... __________________ Turn and Burn!

11-27-2009, 01:15 PM	#15
TurboStrong Nissanaholic! Join Date: Jun 2008 Location: L.A Posts: 1,707 Trader Rating: (21) Feedback Score: 21 reviews	thanks slider28282 you have been very helpful!!!!!! +1 for you!

11-27-2009, 01:36 PM	#16
matalic SR Leaky Injector Join Date: Nov 2009 Location: maryland heights Age: 36 Posts: 71 Trader Rating: (1) Feedback Score: 1 reviews	i use a TurboSX RFL and i have no problem with it under low boost or high boost. and i had a greddy RS and it also was fine. the price for either is not that bad

11-27-2009, 03:33 PM	#17
TurboStrong Nissanaholic! Join Date: Jun 2008 Location: L.A Posts: 1,707 Trader Rating: (21) Feedback Score: 21 reviews	does anyone know is the type-rs bov fits on a blitz flange?

11-27-2009, 05:15 PM	#18
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	Greddy and Blitz is going to be different.... sorry __________________ Turn and Burn!