NavyVR4
(Newbie)
03/30/14 09:08 PM
91 VR4 Blow off valve question

I've had this 1991 galant VR4 for about 2 months now. It's pretty much stock in exception of the front mount setup, with 2 RFL blow off valves, and the factory blow off valve all connected and in use.

My question is, whenever i disconnect one or two of the blow off valves, it causes the car to not build boost correctly and hold at a certain psi. What could be causing this?

edit:: I guess I should also include, that when I disconnect the BOV's, I just take the hoses off of the BOV nipples and just block off the vac lines that were going to them.


G
(JDM Unit)
03/30/14 09:13 PM
Re: 91 VR4 Blow off valve question

So you have 3 bov's installed???????????

NavyVR4
(Newbie)
03/30/14 09:54 PM
Re: 91 VR4 Blow off valve question

Yes, the car came like that.

mitsuturbo
(Banthony )
03/30/14 10:04 PM
Re: 91 VR4 Blow off valve question

Manifold boost pressure helps keep them closed. Soon as you disconnect the line, they're able to blow open under bossy pressure pushing against the on only one side.

NavyVR4
(Newbie)
03/30/14 11:36 PM
Re: 91 VR4 Blow off valve question

Oh ok. Sorry if this was a dumb question. But atleast someone was able to help. What are some solutions I could do to keep them closed? I'd rather not run 3 blow off valves if possible. And removing them is not something I can do.

EgonOlsen
(Member +)
03/31/14 02:50 AM
Re: 91 VR4 Blow off valve question

Get 2 more with different sounds, all vent to air and make a band.

NavyVR4
(Newbie)
03/31/14 02:57 AM
Re: 91 VR4 Blow off valve question

Lol. It's 2 RFL's and the stock BOV. It sounds weird as it is. The 2 RFLS are loud and then the stock BOV makes the higher pitched noise. The RFL's aren't recirculated so it makes it drop RPM's and feel like its going to stall when shifting.

turbowop
(Hard Snarker)
03/31/14 03:01 AM
Re: 91 VR4 Blow off valve question

Quoting EgonOlsen:

Get 2 more with different sounds, all vent to air and make a band.






Find the previous owner and give him a nice square kick to the nuts. WTF three BOV's? RFL's are garbage anyway. Do whatever you can to remove those things and just keep the stock valve on there...and make sure it's recirculated.


Kibby
(Member)
03/31/14 09:09 AM
Re: 91 VR4 Blow off valve question

Can you post a pic of this setup?

prove_it
(my racist jokes aren't actually funny)
03/31/14 09:10 AM
Re: 91 VR4 Blow off valve question

3? that's a new one. I want to see pics.

GSTwithPSI
(A hole)
03/31/14 10:37 AM
Re: 91 VR4 Blow off valve question

Quoting NavyVR4:

Lol. It's 2 RFL's and the stock BOV. It sounds weird as it is.




Pics, or it didn't happen...


NavyVR4
(Newbie)
03/31/14 10:39 AM
Re: 91 VR4 Blow off valve question

I'll definitely have some pics posted here in a bit.

coyotes
(Hipster VR4)
03/31/14 10:40 AM
Re: 91 VR4 Blow off valve question

This thing sounds hella fast

EgonOlsen
(Member +)
03/31/14 10:54 AM
Re: 91 VR4 Blow off valve question

Naa, it seriously blows.

mitsuturbo
(Banthony )
03/31/14 12:00 PM
Re: 91 VR4 Blow off valve question

Somebody trollin'

Nobody would waste the time, money, and energy required to install two additional BOVs. That's just silly.

I too demand to see photos of said setup.


G
(JDM Unit)
03/31/14 12:59 PM
Re: 91 VR4 Blow off valve question

Wth is rfl ???

prove_it
(my racist jokes aren't actually funny)
03/31/14 01:02 PM
Re: 91 VR4 Blow off valve question

really fu**ing loud.

Remember the old turboXS valves with the horn? Yep that style.


ghostinthevr4
(Likes Poetry)
03/31/14 02:14 PM
Re: 91 VR4 Blow off valve question

I used to have an RFL back when I was in DSM's they leak like crazy. You don't even have to do a boost leak test to know there leaking, I bet the original owner just wanted to hear the whhhhhoooooooosssshhhhhh sound.

MellowVR4
(5" too short)
03/31/14 02:40 PM
Re: 91 VR4 Blow off valve question

I scared soo many people with their windows rolled down with one of those RFL's lol Dont have it anymore and would probably never have one on my car ever again.

prove_it
(my racist jokes aren't actually funny)
03/31/14 06:28 PM
Re: 91 VR4 Blow off valve question

everyone had to have one back in the early 00's. Everyone.

JamesFoster
(Infamous BMX Master)
04/01/14 12:39 AM
Re: 91 VR4 Blow off valve question

I remember I wanted one when I had my srt-4. Yes I had an srt-4. Shut up.

prove_it
(my racist jokes aren't actually funny)
04/01/14 08:18 AM
Re: 91 VR4 Blow off valve question

Hey SRT-4's can hold their own. Not every car can make 400whp as easily as a SRT. But it's still FWD. Still I've worked on some that pull hard on good tires.

G
(JDM Unit)
04/01/14 08:28 PM
Re: 91 VR4 Blow off valve question

I must have missed this trend back in the early 00's. I was still stuck on hks bov's.

BpuVR4
(Rolled by Accord while sauced)
04/01/14 10:22 PM
Re: 91 VR4 Blow off valve question

^ you'd love my old fashioned HKS Super Sound still on mine then

turbohf
(anyone even read this?)
04/01/14 10:57 PM
Re: 91 VR4 Blow off valve question

i remember when i sold my DSM bov setup and went with a RFL. was on my CRX back in like 03... ahh the old days...



still no pics of this 3 bov setup? weak.


prove_it
(my racist jokes aren't actually funny)
04/02/14 08:22 AM
Re: 91 VR4 Blow off valve question

Must not have happened

transparentdsm
(I have to say something dumb Member)
04/02/14 08:24 AM
Re: 91 VR4 Blow off valve question

agreed. ive been waiting for some pictures.

GSTwithPSI
(A hole)
04/02/14 08:36 AM
Re: 91 VR4 Blow off valve question

Quoting prove_it:

Must not have happened




Yep. I knew it seemed too good to be true.


JamesFoster
(Infamous BMX Master)
04/02/14 01:19 PM
Re: 91 VR4 Blow off valve question

It definitely sounded like "hella trolling" from the beginning.

prove_it
(my racist jokes aren't actually funny)
04/02/14 01:40 PM
Re: 91 VR4 Blow off valve question

I still wanted to see a pic or better yet a video. I was so interested.

Kibby
(Member)
04/02/14 03:14 PM
Re: 91 VR4 Blow off valve question

I think I might do this. Hook it up just to see how stupid it will look. Ive an evo8 and the hsk bov. Lets do it double the bov double the hp!!!!!


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