RE: lb/hr calculation in ERROR (TunerCat vs. WinBin)

[Mike Rolica <mrolica@meridian-mag.com>]

Promedit does the same..
Mike Rolica
Plant A,
Magnesium Products Division
Strathroy

(519)-245-4040  Ext. 265


		-----Original Message-----
		From:	Eric Aos [SMTP:EOA@spartek.com]
		Sent:	Wednesday, June 14, 2000 10:51 AM
		To:	'gmecm@diy-efi.org'
		Subject:	RE: lb/hr calculation in ERROR (TunerCat vs.
WinBin)

		How does it work with Promedit? If someone will help walk
thru this, I'll
		take a look at the code, and see what WinBin's doing.

		Eric


		> There HAS to be a discrepency between using WinBin with
the 
		> 7730v3.ecu file
		> and using TunerCats.
		> 
		> I have a .bin that I created in TunerCats to have an
injector 
		> flow rate of
		> 24.1lb/hr.  Using WinBin with the 7730v3.ecu file
available at
		> ftp://ftp.diy-efi.org/incoming/ shows an injector flow
rate of 2.56
		> grams/sec. which equates to 20.3lb/hr.
		> 
		> So, I loaded the stock AUJP .bin into WinBin along with
the 
		> 7730v3.ecu file.
		> It reports 2.79 grams/sec which equates to 22.1lb/hr
(which 
		> is correct).
		> WinBin with the stock AUJP .bin and the 7730v3.ecu file
has 
		> the correct
		> values.  But, modified injector flow rates appear to be 
		> wrong.  This is an
		> important issue which should be addressed ASAP for those
of 
		> you guys who are
		> using WinBin.  I am using TunerCat and everything appears
to 
		> work great with
		> TunerCat.
		> 
		> FYI - I tried these calculations in the REVERSE order too.
I loaded a
		> standard copy of the AUJP .bin file into WinBin with the 
		> 7730v3.ecu file.  I
		> changed the stock injector flow rate from 2.79 grams/sec 
		> (01CC) to 3.03
		> grams/sec (01F4) in order to produce a new injector flow
rate 
		> of 24.1lb/hr.
		> I saved the .bin and loaded it into TunerCat.  TunerCat
now 
		> shows 20.3lb/hr
		> for the injector flow rate.
		> 
		> Somebody is obviously wrong here.  My bet is either WinBin
or 
		> the .ecu file.
		> 
		> Tim
		> 
		> 
		> >-----Original Message-----
		> >From: owner-gmecm@diy-efi.org 
		> [mailto:owner-gmecm@diy-efi.org]On Behalf
		> >Of rr
		> >Sent: Tuesday, June 13, 2000 8:11 PM
		> >To: gmecm@diy-efi.org
		> >Subject: Re: lb/hr calculation
		> >
		> >
		> >
		> >Wow, I'm having trouble following you guys. However, I
think 
		> I see the
		> >discrepancy. Tim, your equation below is a correct
conversion from
		> >gms/sec to lbs/hr.
		> >
		> >Looking at the anht hac, location 41c is in sec/gms, not 
		> gms/sec. This
		> >appears to be the sticking point. That hac has 460 in
that location
		> >for 22# injectors.     ARG = ((SEC/GRAM * 256) * 5). The
bigger
		> >the injector, the smaller the number.
		> >
		> >BobR.
		> >
		> >
		> >trax wrote:
		> >
		> >> Could someone here please post why my calculation is
wrong 
		> (or if it is
		> >> correct).  I just want to make sure that my new .bin
will have the
		> >> appropriate setting:
		> >>
		> >> 2.56g/s * 1lb/454g * 3600sec/Hr = 20.299559lb/hr
		> >>
		> >> Tim
		> >>
		> >> >The calc I posted matches the aujp bin, so I accept it
to work.
		> >> >It also matches the 38# setting
		> >> >in the new "custom" chip I just wasted money on.
		> >> >
		> >> >I'm not a math wiz, so I can't twist it around like
yours, but i'm
		> >> >pretty sure yours is incorrect.
		> >> >
		> >> >Squash
		> >> >p.s. I seem to recall that this calc is the same for
the 7747, and
		> >> >that is where I got it.  It
		> >> >seems to jive in my head?
		> >> >
		> >> >--- trax <trax@frederickmd.com> wrote:
		> >> >> Calculations:
		> >> >>
		> >> >> 2.56g/s * 1lb/454g * 3600sec/Hr = 20.299559
		> >> >>
		> >> >> Am I missing something?
		> >> >>
		> >> >> >1/(#hr/3600*453.59237)*1280  --  use this to get
your 
		> value.  261
		> >> >> >(dec) = 38 #/hr according to
		> >> >> >this, and 462 = 22#, 423 = 24#
		> >> >>
		> >> >> Tim
		> >> >>
		> >> 
		>
>-------------------------------------------------------------------
		> >>
		> >
		>
>-------------------------------------------------------------------
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		> 
		>
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