Question about WOT table in $8D bin

[Len Sabatine]

    Really ? I managed to run high 11s with '95 Lt1 GM Stock Spark and Fuel 
calibrations.
     A4 , NA.
    Len

>Stock curves suck...    I used the curves from a chip designed for a ZZ4 and
>I gained almost 4 tenths and 4 miles per hour in the 1/4 mile. Oh well... I
>guess I'll just play with I got. Thanx anyway
>
>p.s. it's Edmond by the way
>
>
>----- Original Message -----
>From: <timsiford at hushmail.com>
>To: <gmecm at diy-efi.org>
>Sent: Friday, November 17, 2000 11:10 AM
>Subject: Re: Question about WOT table in $8D bin
>
>
>| Edmund,
>|
>| Using my base curves would not be advised.  I recommend beginning with a
>| stock base curve.  Why you ask?  My MiniRam intake, AFR heads, bigger
>exhaust,
>|  and 112LSA make my VE curves significantly different from stock ... MUCH
>| more so than yours.  Your curves will be more similar to the stock curves
>| due to the intake style, the heads, and the exhaust that you are running.
>|  Not just pulling a 'not sharing' on this one.  You REALLY will be closer
>| to the stock curves than my curves.
>|
>| Tim
>|
>| At Fri, 17 Nov 2000 10:07:07 -0800, "NRGZ28" <euro at lvcm.com> wrote:
>|
>| >
>| >Tim, would you be so kind to show what your VE (ext) table values are
>| >from
>| >90-100 kpa ? I got the same cam as you and I'd to at least get a base
>| >to
>| >start from when I tune for WOT.
>| >
>| >----- Original Message -----
>| >From: <timsiford at hushmail.com>
>| >To: <gmecm at diy-efi.org>
>| >Sent: Friday, November 17, 2000 7:02 AM
>| >Subject: Re: Question about WOT table in $8D bin
>| >
>| >
>| >> Bob,
>| >>
>| >> Using the equation that you extracted from the ANHT hac and plugging
>| >in
>| >> my values for 5600RPMs and 80deg C I get ...
>| >> 6553.6 / ((149 + 58 + 128) * 445) / 256) = 11.25
>| >>
>| >> HOORAY!!!!  This is exactly what diacom reports for my setup in this
>| >range.
>| >>  This is definitely the formula to utilize.  NEWBIE NOTE: the value
>| >149
>| >> was retrieved through a hex editor (Hex Workshop).  Simply using the
>| >values
>| >> in TC will not work.
>| >>
>| >> Tim
>| >>
>| >>
>| >> At Thu, 16 Nov 2000 17:46:00 -0500, rr <RRauscher at nni.com> wrote:
>| >>
>| >> >
>| >> >
>| >> >Umm, I just checked the anht hac, and I can't get the equation quoted
>| >> >below to give me the same answers as the code.
>| >> >
>| >> >Using tables L860D & L8617 @ 80c & 6400rpm, I get an AFR of
>| >> >11.6:1. Here is the equation using the raw bin values:
>| >> >
>| >> >WOT AFR = 6553.6 / ((TBL L8617 + TBL L860D + 128) * 445) / 256)
>| >> >
>| >> >w/vals:
>| >> >
>| >> >11.6 = 6553.6 / ((138 + 58 + 128) * 445) / 256)
>| >> >
>| >> >This is right from the hac and matches the code (I corrected the
>| >one
>| >> >table
>| >> >address in the equation). What are the AFR's when using this equation?
>| >> >
>| >> >Thanks,
>| >> >
>| >> >BobR.
>| >> >
>| >> >
>| >> >JN wrote:
>| >> >
>| >> >> Wow, in looking at my bin that was modified by a reputable tuner
>| >originally,
>| >> >> he has what I calc as a 14.12 AFR at 5200 and a 14.85 at 5600!
>| > I
>| >> >guess with
>| >> >> the miniram I should fatten these up some.  Tim, what do you have
>| >> >for PE vs
>| >> >> RPM.  Our motors are similar cams, intake and we both run 30 pound
>| >> >injectors
>| >> >> with a 33 pound injector constant.
>| >> >>
>| >> >> Jason
>| >> >> ----- Original Message -----
>| >> >> From: <timsiford at hushmail.com>
>| >> >> To: <gmecm at diy-efi.org>
>| >> >> Sent: Wednesday, November 15, 2000 4:04 PM
>| >> >> Subject: Re: Question about WOT table in $8D bin
>| >> >>
>| >> >> > Bruce,
>| >> >> >
>| >> >> > I don't think its as bad as what you are saying.  Please - hear
>| >> >me out.
>| >> >> >  I said that the calculation shows that I am running 10.16 AFR.
>| >> > This was
>| >> >> > at 5600rpms and a coolant temp of 80deg C.  HOWEVER, the stock
>| >AUJP
>| >> >bin
>| >> >> > has a PE modifier of 7.8 at 4000rpms in WOT %Change in AFR vs
>| >RPM
>| >> >and a
>| >> >> > modifier of 22.7 in WOT %Change in AFR vs Coolant.  This results
>| >> >in a
>| >> >> 10.22
>| >> >> > AFR.
>| >> >> >
>| >> >> > Now, I am NOT running 10.16 everywhere.  I just picked the highest
>| >> >point
>| >> >> > of the curve and reported that point.  I also picked the highest
>| >> >point of
>| >> >> > the AUJP curve and reported that.  Again, the formula I am using
>| >> >is the
>| >> >> > one previously supplied here on the list ....
>| >> >> >
>| >> >> > ( 1  -  (( RPM Mod  +  Coolant Mod )  /  100 )  *  14.7
>| >> >> >
>| >> >> > I am not concerned about the fueling.  I am close to 128 at all
>| >> >points
>| >> >> when
>| >> >> > driving.  I spent significant time on the VE curves.  The WOT
>| >%Change
>| >> >to
>| >> >> > AFR tables are modified from stock ... but, no so much in the
>| >levels
>| >> >but
>| >> >> > more as to the shape.  The MiniRam doesn't need as much fuel
>| >at
>| >> >4000RPMs
>| >> >> > as compared to the TPI.  However, it does need more at 5600rpms.
>| >> >> >
>| >> >> > Tim
>| >> >> >
>| >> >> > At Wed, 15 Nov 2000 12:28:20 -0500, "Bruce Plecan"
>| ><nacelp at bright.net>
>| >> >> wrote:
>| >> >> >
>| >> >> > >
>| >> >> > >
>| >> >> > >IMO,
>| >> >> > >Your running a diesel now.
>| >> >> > >You have enough fuel that your CR is even up.
>| >> >> > >At tear down the ring lands will be knocked out and you'll need
>| >> >pistons.
>| >> >> > >Just about beat you have a 160d and within one heat range of
>| >stock
>| >> >plugs.
>| >> >> > >The tip of the plug is acting like a glow plug for lighting
>| >the
>| >> >change.
>| >> >> > >It kinda a typical thing when your at more fuel more timing
>| >agenda
>| >> >stuff,
>| >> >> > >just some guys go that route wastes gas, and tough on parts
>| >IMO.
>| >> >> > >No telling what the heads will be like, if (oem) iron probably
>| >> >cracked
>| >> >> > >between the seats.
>| >> >> > >Also, will have more carbon to deal with and more likely to
>| >burn
>| >> >an
>| >> >> > >exhuast
>| >> >> > >valve.
>| >> >> > >It's like doing a nitro tune but with gas, eats parts
>| >> >> > >Bruce
>| >> >> > >
>| >> >> > >
>| >> >> > >> >Just remember you said that <g>
>| >> >> > >>
>| >> >> > >> I'll remember Bruce <g>.  But, I'm not a fluke.  I've talked
>| >> >to several
>| >> >> > >> other AFR190/MiniRam ownders that are running the same type
>| >of
>| >> >spark
>| >> >> > >advance
>| >> >> > >> (max).  Now sure about the Air/Fuel ratio they are running
>| >though.
>| >> >> > > Will
>| >> >> > >> be pulling plugs soon to take a gander.
>| >> >> > >>
>| >> >> > >> Curious though .... I have a feeling that you think I'm gonna
>| >> >blow
>| >> >> > >myself
>| >> >> > >> up :-)  Can I pick your mind and ask why?  I know that I will
>| >> >> eventually
>| >> >> > >> lose the bottom end ... but, I don't think that it will be
>| >PROM
>| >> >> related.
>| >> >> > >>
>| >> >> > >> Tim
>| >> >
>| >> >-----------------------------------------------------------------
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>| >> >
>| >
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