[Supras] blowoff valve recommendation

Jim Jobe jjobe2 at supratech.org
Thu Nov 15 22:32:15 CST 2007


I thought it was packed with 2 1J's?

BTW, which PIP went bad, the right or the left...or is that
front or rear?

On Thu, Nov 15, 2007 at 04:38:03PM -0800, cthommes at adelphia.net wrote:
> That would be an e31 sir.  91 850i 6-spd.  250 ft-lbs of its torque available as low as 1500 RPM.
> 
> No wussy 1J stuff here (<-- Supra content).
> 
> -Craig
> 
> ---- t72pwrd <nholden1 at woh.rr.com> wrote: 
> > Did you buy an 850 or an 840?  Those are the only 2 that I occasionally 
> > confuse for MKIIIs.
> > 
> > I always expected that you liked young and fit things, just never expected 
> > it to be young and fit MASCULINE things.  Craig, you never cease to surprise 
> > me.
> > 
> > ----- Original Message ----- 
> > From: <cthommes at adelphia.net>
> > To: "t72pwrd" <NHOLDEN1 at woh.rr.com>
> > Cc: <Supras at supras.com>; <berniek at technicaldevelop.com>; "Jim Jobe" 
> > <jjobe2 at supratech.org>
> > Sent: Thursday, November 15, 2007 6:43 PM
> > Subject: Re: [Supras] blowoff valve recommendation
> > 
> > 
> > > Huh?  No, it just looks like a mk3.  But not a young, fit mk3... A mk3 in 
> > > its old, fat, about-to-OD-on-the-toilet years.
> > >
> > > -Craig
> > >
> > > ---- t72pwrd <nholden1 at woh.rr.com> wrote:
> > >> Yeah, but your E31 at least LOOKS like a BMW while mine looks like an
> > >> insectoid Volkswagen.
> > >>
> > >>
> > >> ----- Original Message ----- 
> > >> From: <cthommes at adelphia.net>
> > >> To: "t72pwrd" <NHOLDEN1 at woh.rr.com>
> > >> Cc: <Supras at supras.com>; <berniek at technicaldevelop.com>; "Jim Jobe"
> > >> <jjobe2 at supratech.org>
> > >> Sent: Thursday, November 15, 2007 1:06 PM
> > >> Subject: Re: [Supras] blowoff valve recommendation
> > >>
> > >>
> > >> > Try an E31, that'll stop your whining about that E30.
> > >> >
> > >> > -Craig
> > >> >
> > >> > ---- t72pwrd <nholden1 at woh.rr.com> wrote:
> > >> >> That sounds about right.  Damned Nazi and your German shit.  I'd make 
> > >> >> fun
> > >> >> of
> > >> >> you, but I blew the motor in my Cressida and the damned E30 325i with 
> > >> >> a
> > >> >> 1/4
> > >> >> million miles on the clock is still doing fine.  Don't get me started 
> > >> >> on
> > >> >> the
> > >> >> parts cost or ease of repair however.
> > >> >>
> > >> >>
> > >> >> ----- Original Message ----- 
> > >> >> From: <cthommes at adelphia.net>
> > >> >> To: "t72pwrd" <NHOLDEN1 at woh.rr.com>
> > >> >> Cc: <Supras at supras.com>; <berniek at technicaldevelop.com>; "Jim Jobe"
> > >> >> <jjobe2 at supratech.org>
> > >> >> Sent: Wednesday, November 14, 2007 8:29 PM
> > >> >> Subject: Re: [Supras] blowoff valve recommendation
> > >> >>
> > >> >>
> > >> >> > Nope, instead I bought a bigger, heavier, slower german POS.
> > >> >> >
> > >> >> > -Craig
> > >> >> >
> > >> >> > ---- t72pwrd <nholden1 at woh.rr.com> wrote:
> > >> >> >> Oh Lord, here we go again;-)
> > >> >> >>
> > >> >> >> Ever get that rebadged mustang fixed?
> > >> >> >>
> > >> >> >> ----- Original Message ----- 
> > >> >> >> From: <cthommes at adelphia.net>
> > >> >> >> To: "t72pwrd" <NHOLDEN1 at woh.rr.com>
> > >> >> >> Cc: <Supras at supras.com>; <berniek at technicaldevelop.com>; "Jim Jobe"
> > >> >> >> <jjobe2 at supratech.org>
> > >> >> >> Sent: Wednesday, November 14, 2007 7:14 PM
> > >> >> >> Subject: Re: [Supras] blowoff valve recommendation
> > >> >> >>
> > >> >> >>
> > >> >> >> > 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
> > >> >> >>
> > >> >>
> > >> 
> > 
> 
> 
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