[s-cars] 5" gone missing
steve at thepowers.net
Mon Nov 3 21:24:45 EST 2003
5 psi - yes.
> -----Original Message-----
> From: Philip Mische [mailto:pmische at comcast.net]
> Sent: Friday, October 31, 2003 8:55 AM
> To: steve powers; '* S List'
> Subject: Re: [s-cars] 5" gone missing
> I assume you mean 5 psi. Let's keep our units straight
> here. If you're going to talk inches you have to specify
> water or mercury...or whatever. For the record:
> 1 atmosphere = 14.7 psi = 1.01325 Bar 101,325 Pa = 29.92
> inches of mercury = 760 mm of mercury = 33.91 ft of water =
> 10.34 m of water = zero on the typical boost gauge at sea
> level. To be correct when measuring pressure you should add
> 'a' for absolute pressure or 'g' for gauge pressure, eg. if
> you're running 25 pounds of boost that's 25 psig or 39.7
> psia. Pressure differences of course are just in whatever
> units you're in.
> Thanks. I just had to.
> ----- Original Message -----
> From: "steve powers" <steve at thepowers.net>
> To: "'* S List'" <s-car-list at audifans.com>
> Sent: Thursday, October 30, 2003 11:50 PM
> Subject: [s-cars] 5" gone missing
> > We've been trying to track down the last 5" of boost in my car.
> > It's a 95.5 with:
> > - new K26/27 2B turbo
> > - RS2 injectors, MAF, FPR
> > - IA RS2-style exhaust manifold
> > - 7A exhaust cam
> > - new Samco hoses, constant torque clamps throughout
> > - new Forge BPV
> > - new WGFV
> > - new POS
> > - new vacuum/boost hoses in engine compartment and footwell
> > - new clamps for above
> > - IA Stage IV w/ 3 Bar sensor
> > - Stromung exhaust
> > - older metal x-over pipe
> > - older metal capped IC
> > I'm making 21" of boost while another identical car (w/o
> Stromung is
> > making 26" of boost. I've even borrowed the ECU from that car, but
> > still can only make 21" with my car. Both cars have
> Autometer gauges:
> > mine's digital with peak hold and his is analog.
> > We haven't verified the gauges one to the other, but
> that's the last
> > thing I know of to check (or use a 3rd known gauge on both cars).
> > Anything obvious that we may have overlooked? We've
> pressure tested
> > the system, but no leaks shown. It pulls hard to redline -
> I can LFB
> > all I want with the accelerator on the floor, but still
> only see 21".
> > Thanks!
> > Steve Powers
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