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An actual number; Was: how much gas could a pump pump if a pumpcould pump gas?

Subject: An actual number; Was: how much gas could a pump pump if a pumpcould pump gas?
From: amalventano1@comcast.net (Allyn)
Date: Tue, 02 Jul 2002 23:13:24 -0400
References: <NFBBIFEIOLEKBIKOONPOKEJFFLAB.sfwilliams@comcast.net><000501c2216c$2f555020$26801918@mediaone.net><00b201c2216e$4c0e7410$0200a8c0@al><000b01c2216f$f5030ee0$26801918@mediaone.net><3D219419.296D0FD0@ix.netcom.com><001b01c22230$0b816840$26801918@mediaone.net><001f01c2223e$2b0bb720$35121f41@AlanStamper>

not only that, but they have an integrated reservoir/filter between the 2.
Al

----- Original Message ----- 
From: "Scirocco-Al" <scirocco-Al@insight.rr.com>
To: "Josh Able" <mkii@nycap.rr.com>; <jdbubb@ix.netcom.com>
Cc: <scirocco-l@scirocco.org>
Sent: Tuesday, July 02, 2002 11:02 PM
Subject: Re: An actual number; Was: how much gas could a pump pump if a pump could pump gas?


> The early 84 cars and older have only one fuel pump and the late 84 cars and
> newer have the twin fuel pump system with a prepump in the tank.
> 
> Alan
> ----- Original Message -----
> From: "Josh Able" <mkii@nycap.rr.com>
> To: <jdbubb@ix.netcom.com>
> Cc: <scirocco-l@scirocco.org>
> Sent: Tuesday, July 02, 2002 9:22 PM
> Subject: Re: An actual number; Was: how much gas could a pump pump if a pump
> could pump gas?
> 
> 
> hmm..
> 
> it seems there may have been a break from the 84 to the 85 and up fuel
> pumps. At least that's how they are broken down on Adirondacks site, ND also
> claims different part numbers from 84 and older vs the 85 and newer, but on
> Potters they are all the same part possibly.
> 
> 
> Josh Able
> 
> "If you're already walking on thin ice, you might as well dance." -Gil
> Atkinson
> 
> ----- Original Message -----
> From: "Dan Bubb" <jdbubb@ix.netcom.com>
> To: "Josh Able" <mkii@nycap.rr.com>
> Cc: <scirocco-l@scirocco.org>
> Sent: Tuesday, July 02, 2002 7:52 AM
> Subject: An actual number; Was: how much gas could a pump pump if a pump
> could pump gas?
> 
> 
> > Min fuel pump delivery rate is .47 gal/min. This is from the Bentley for
> > an 84 Scirocco, but I doubt the 16V is different.
> > That is 28.5 gal/hr. Note that this is tested by measuring flow out of
> > the return line, which means it is flow against a minimum pressure of
> > 4.7 bar. Which means it will deliver this flow rate at a boost pressure
> > of 1.7 bar (assuming you're using a 3 bar FPR, which is the norm).
> > So, 28.5 gal/hr X 6.4 lb/gal for 92 octane gives 182.6 lb/hr.
> > At a BSFC of .5 this would be 365 HP.
> > Your engine could have a BSFC as high as .6 which would equate to 304
> > HP.
> > So, yeah, after all the bullshit is said and done you may need a bigger
> > pump.
> > I'd check the fuel rail pressure while you run. If it's dropping at 4500
> > RPM at WOT then you'll need a bigger pump.
> > HTH
> > Dan
> >
> > Josh Able wrote:
> > >
> > > the 310cc were running at the max, 475cc is a pretty big step up, and
> with a
> > > new chip its going to be allot different. If the tech that said 300hp is
> > > about max that a scirocco set up can pump, then I had it totally maxed
> out
> > > already.
> > >
> > > >go smack them tuner bitches upside the head
> > > > and tell em to get their stuff straight.
> > >
> > >  eh? they have their stuff straight, Im doing this myself. Hence it
> working
> > > prior to me changing it. .. and well it still works  since I pulled the
> new
> > > injectors and chip and slapped the old ones back in.
> > >
> > > > your car once could run to redline and be rich at the same time but
> now
> > > cuts out at 4500,
> > >
> > > *sigh
> > > It ran rich because it was dumping more fuel in at lower rpms...not at
> > > higher rpms. Hence blowing chunks when the turbo spooled up.
> > >
> > > So sue me for wanting to get over 300 at the wheels. :P
> > >
> > > Josh Able
> > >
> > > "If you're already walking on thin ice, you might as well dance." -Gil
> > > Atkinson
> > >
> > > ----- Original Message -----
> > > From: "Allyn" <amalventano1@comcast.net>
> > > To: "Josh Able" <mkii@nycap.rr.com>; <scirocco-l@scirocco.org>
> > > Sent: Monday, July 01, 2002 10:15 PM
> > > Subject: Re: how much gas could a pump pump if a pump could pump gas?
> > >
> > > > if your car once could run to redline and be rich at the same time,
> but
> > > now cuts out at 4500, and
> > > > all you changed was injectors, something is not right. go smack them
> tuner
> > > bitches upside the head
> > > > and tell em to get their stuff straight.
> > > > Al
> > > >
> > > > ----- Original Message -----
> > > > From: "Josh Able" <mkii@nycap.rr.com>
> > > > To: <scirocco-l@scirocco.org>
> > > > Sent: Monday, July 01, 2002 10:00 PM
> > > > Subject: Re: how much gas could a pump pump if a pump could pump gas?
> > > >
> > > >
> > > > > Im told the scirocco set up is only good for about 300hp.
> > > > >
> > > > > The rabbit set up doesn't have that intank thing right?
> > > > >
> > > > > when I tried the 475cc injectors, my car ran out of gas at about
> > > 4500rpms.
> > > > > So I'm planning on doing away with the scirocco set up, just going
> with
> > > a
> > > > > pickup and a bigger pump and upgrading the lines.
> > > > >
> > > > >
> > > > > Josh Able
> > > > >
> > > > > "If you're already walking on thin ice, you might as well
> dance." -Gil
> > > > > Atkinson
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Scott F. Williams" <sfwilliams@comcast.net>
> > > > > To: "Josh Able" <mkii@nycap.rr.com>; "Scirocco List"
> > > > > <scirocco-l@scirocco.org>
> > > > > Sent: Monday, July 01, 2002 9:54 PM
> > > > > Subject: RE: how much gas could a pump pump if a pump could pump
> gas?
> > > > >
> > > > >
> > > > > > Josh, why are you concerned with your pump, anyway? The stock CIS
> fuel
> > > > > pump
> > > > > > is more than adequate for your needs. In fact, my RX-7 Turbo
> friends
> > > ask
> > > > > me
> > > > > > for "those Rabbit pumps" all the time. These guys are pumping out
> over
> > > > > 400hp
> > > > > > and consider our pumps to be great upgrades.
> > > > > > --
> > > > > > Scott F. Williams
> > > > > > NJ Scirocco nut
> > > > > > '99 Subaru Impreza 2.5 RS
> > > > > > Mazda 323 GTX turbo "assaulted" vehicle
> > > > > > Golf GTI 16v "rollycar"
> > > > > > ClubVAC: "Roads found. Drivers wanted."
> > > > > >
> > > > > > > The root problem is that Im dealing with a shop that rates its
> pumps
> > > on
> > > > > a
> > > > > > > gallon per hour basis, yet I cant find anybody that knows what a
> > > > > scirocco
> > > > > > > set up pumps per hour..
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > Scirocco-l mailing list
> > > > > Scirocco-l@scirocco.org
> > > > > http://neubayern.net/mailman/listinfo/scirocco-l
> > > >
> > > >
> > >
> > > _______________________________________________
> > > Scirocco-l mailing list
> > > Scirocco-l@scirocco.org
> > > http://neubayern.net/mailman/listinfo/scirocco-l
> >
> 
> 
> _______________________________________________
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> Scirocco-l@scirocco.org
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> 
> 
> 
> 
> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l

Follow-Ups:
- An actual number; Was: how much gas could a pump pump if a pump could pump gas?
  - From: Scirocco-Al" <scirocco-Al@insight.rr.com (Scirocco-Al)

References:
- how much gas could a pump pump if a pump could pump gas?
  - From: sfwilliams@comcast.net (Scott F. Williams)
- how much gas could a pump pump if a pump could pump gas?
  - From: mkii@nycap.rr.com (Josh Able)
- how much gas could a pump pump if a pump could pump gas?
  - From: amalventano1@comcast.net (Allyn)
- how much gas could a pump pump if a pump could pump gas?
  - From: mkii@nycap.rr.com (Josh Able)
- An actual number; Was: how much gas could a pump pump if a pump couldpump gas?
  - From: jdbubb@ix.netcom.com (Dan Bubb)
- An actual number; Was: how much gas could a pump pump if a pump could pump gas?
  - From: mkii@nycap.rr.com (Josh Able)
- An actual number; Was: how much gas could a pump pump if a pump could pump gas?
  - From: Scirocco-Al" <scirocco-Al@insight.rr.com (Scirocco-Al)

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