MAF & base fuel tables

TK terryk at foothill.net
Fri Jun 25 04:39:19 GMT 1999


I have this in the docs.
 I'll email it to you.

-----Original Message-----
From: Mark Romans <romans at pacbell.net>
To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
Date: Thursday, June 24, 1999 9:32 PM
Subject: Re: MAF & base fuel tables


>Hey Peter Fenske,  how is LV8 calculated?
>
>The actual air flow is not used, LV8 is used with rpm to apply spark.  Less
>any retard and plus WOT spark adder if applicable.
>
>Neither of the TPIS chips that I have looked at had any mods made to the
maf
>tables.  The first was a level 4 for an 87 Auto vet,  the 2nd was a Level 5
>for a 88 4+3 Vet.  All they did was add a % to the PE vs RPM map.
>
>Mark
>-----Original Message-----
>From: W Johnson <flying.chimp at juno.com>
>To: gmecm at efi332.eng.ohio-state.edu <gmecm at efi332.eng.ohio-state.edu>
>Date: Thursday, June 24, 1999 6:33 AM
>Subject: Re: MAF & base fuel tables
>
>
>>Hi Bob
>>
>>On Wed, 23 Jun 1999 17:34:20 -0400 "Knowlden and/or Eller" <ke at clark.net>
>>writes:
>>>Just had another thought - the screens wouldn't make any difference.
>>
>>Right, the calibration would still be correct. FYI  I tested stock MAF
>>w/o screens and air flow increased about 2 numbers.
>>
>>>something
>>>called ALDL spark add which basically says that while the system is in
>>>ALDL
>>>mode 8 degrees (according to the memcal) will be added to the spark
>>>timing.
>>
>>This doesn't seem to be an issue when checking spark timing with Diacom,
>>but there is a power enrichment addition of some where around 4 deg.s. If
>>you look at the LV8 and allow for Spark Retard and Power Enrichment the
>>spark will be right where its suppose to be. The problem is, if air flow
>>numbers are incorrect, LV8 is incorrect and the wrong spark timing will
>>be used. (clear as mud?)
>>
>>Cheers,
>>Wayne Johnson
>>___________________________________________________________________
>>Get the Internet just the way you want it.
>>Free software, free e-mail, and free Internet access for a month!
>>Try Juno Web: http://dl.www.juno.com/dynoget/tagj.
>>
>
>




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