[Supras] blowoff valve recommendation

Wed Nov 14 18:14:01 CST 2007

Fixed that spelling error for you:

---- t72pwrd <nholden1 at woh.rr.com> wrote: 
> Ah, OK.  I was running stock ECU, VPC and 1st gen AFC.  No kidding it was a 
> long time ago.  Good times!
> 
> > Certainly not the case now...the cars or you maturing.  LOL!
> 
> I'm sure I could find SOMEBODY to attest to my masturbation, just not sure who 
> at this point!
> 
> ----- Original Message ----- 
> From: "Jim Jobe" <jjobe2 at supratech.org>
> To: "t72pwrd" <NHOLDEN1 at woh.rr.com>
> Cc: <b2nice84 at aol.com>; <berniek at technicaldevelop.com>; <Supras at supras.com>
> Sent: Wednesday, November 14, 2007 6:22 PM
> Subject: Re: [Supras] blowoff valve recommendation
> 
> 
> >
> > Actually I was noting the time when I had the stock AFM
> > and thus also the stock ECU.  And, amazingly, I had a stock
> > turbo then too.  It was pushing 13-15psi.  That was a long
> > time ago for both of us.
> >
> > No ill effects, not even a backfire from it.
> >
> > Certainly not the case now...the cars or you maturing.  LOL!
> >
> > On Wed, Nov 14, 2007 at 06:16:09PM -0500, t72pwrd wrote:
> >> Option B with HKS SSQV vented to atmosphere worked for me as well.  My
> >> turbo was a -60 trim at 21PSI at the time.  HKS valve was located where 
> >> the
> >> passenger side foglight WAS.  Amusing as hell to see people jump when I
> >> shifted.  Of course this was a damned long time ago and I was much 
> >> younger
> >> then.  Some people even say I've matured ;-0
> >>
> >> Jim is also too modest to say he's running a turbo quite a bit bigger 
> >> than
> >> any of the ones discussed so far.  SP61 or 63 IIRC.
> >>
> >>
> >> ----- Original Message ----- 
> >> From: "Jim Jobe" <jjobe2 at supratech.org>
> >> To: <b2nice84 at aol.com>
> >> Cc: <berniek at technicaldevelop.com>; <Supras at supras.com>
> >> Sent: Tuesday, November 13, 2007 11:08 PM
> >> Subject: Re: [Supras] blowoff valve recommendation
> >>
> >>
> >> >
> >> >Option B has worked very well for many, for a long time.
> >> >
> >> >I've also run just the HKS SSQV with no ill effects.
> >> >
> >> >On Tue, Nov 13, 2007 at 09:49:19PM -0500, b2nice84 at aol.com wrote:
> >> >>The below options is using a blow off valve.
> >> >>
> >> >>Option A
> >> >>The HKS SSQV has an adapter you can add to be able to redirect the air
> >> >>back into the accordion hose.? But of coarse it costs some money and a
> >> >>little of thinking to install.? Regardless it is doable and you will 
> >> >>lose
> >> >>the BOV sound if you care about it.?
> >> >>
> >> >>Option B
> >> >>Another way (this is what I am doing) is to keep the stock Bypass valve
> >> >>in and install the blow-off valve at the same time (blow-off valve air 
> >> >>is
> >> >>released into the atmosphere).? It eliminated the bogging. The stock
> >> >>bypass valve keeps the AFM happy and the blowoff valve let out all the
> >> >>extra air out that the stock bypass valve could not (over 8 psi) when I
> >> >>am boosting over stock.?
> >> >>
> >> >>I feel the stock bypass valve works great when you are boosting stock.?
> >> >>But when boosting more then stock I feel it needs a little more air out
> >> >>that the stock bypass valve will not allow.? That is why I used Option 
> >> >>B.
> >> >>
> >> >>Now I am waiting for Jeff to make a comment on how wrong it is for me 
> >> >>to
> >> >>do this.? hehe
> >> >>
> >> >>Brandon
> >> >>
> >> >>
> >> >>-----Original Message-----
> >> >>From: berniek at technicaldevelop.com <berniek at technicaldevelop.com>
> >> >>To: Supras at supras.com <Supras at supras.com>
> >> >>Sent: Tue, 13 Nov 2007 5:43 pm
> >> >>Subject: [Supras] blowoff valve recommendation
> >> >>
> >> >>
> >> >>
> >> >>For the last two weeks I've been getting my jollies by driving my '91
> >> >>with 550cc injectors, 57 trim turbo, Walbro, Lexus, 3" exhaust from
> >> >>turbo back, etc.  However, a disturbing boing-oing-oing sound has
> >> >>persisted from the air intake when closing the throttle under 15 PSI
> >> >>boost.  Spoke to James at Performance Techniques about this, and he 
> >> >>says
> >> >>it is compressor surge, which I suspected.  From all I have read, using
> >> >>the Bosch Porsche right angle blowoff valve should have been 
> >> >>sufficient,
> >> >>but it is not.  I get the sound even at low boost.
> >> >>
> >> >>
> >> >>So I'm looking for recommendations as to which BOV to use.  I would 
> >> >>like
> >> >>to recirculate to the accordion hose, even if I need to cut a hole in 
> >> >>it
> >> >>and use curved, clamped large washer-like pieces on the inside and
> >> >>outside to provide a large bung for the BOV discharge.
> >> >>
> >> >>
> >> >>Any and all suggestions would be appreciated.  Thanks.
> >> >>
> >> >>
> >> >>BernieK.  PS:  Arlene and others were right.  There is never enough
> >> >>power even if you can "walk" the tires in second gear.  Starting to
> >> >>wonder what to do next for more HP.
> >> >>
> >> >>_______________________________________________
> >> >>Supras mailing list
> >> >>Supras at supras.com
> >> >>http://supras.com/mailman/listinfo/supras_supras.com
> >> >>
> >> >>
> >> >>________________________________________________________________________
> >> >>Email and AIM finally together. You've gotta check out free AOL Mail! -
> >> >>http://mail.aol.com
> >> >>_______________________________________________
> >> >>Supras mailing list
> >> >>Supras at supras.com
> >> >>http://supras.com/mailman/listinfo/supras_supras.com
> >> >
> >> >_______________________________________________
> >> >Supras mailing list
> >> >Supras at supras.com
> >> >http://supras.com/mailman/listinfo/supras_supras.com 
> 
> 
> _______________________________________________
> Supras mailing list
> Supras at supras.com
> http://supras.com/mailman/listinfo/supras_supras.com