Reversing the '8625

[Gene]

mike have you thought that you may be reinventing the wheel gm has already
done this turbo thing to a 4.4 v6 blazer
-------- its called  a typhoon (blazer)  or syclone (s-10 pick-up)   why not
use their pcm
gene jones
-----Original Message-----
From: Mike Pitts <mpitts at netspeak.com>
To: 'diy_efi at efi332.eng.ohio-state.edu' <diy_efi at efi332.eng.ohio-state.edu>
Date: Friday, September 04, 1998 11:18 AM
Subject: Reversing the '8625


>Hi all,
>
>I've started the process of reversing the cal from an '8625 TBI PCM.
>This is from a '93 4.3L CPI "W" engine code Olds Bravada (same as
>Blazer, etc). The PCM also controls the 4L60E transmission. This
>same PCM is also used on some 5.7L TBI trucks of the '93-'94 time
>frame.
>
>I've sent the file to a couple of list elders already, but thought that I
>should let the general list know in case someone else is interested
>whom I don't know about.
>
>At any time you may find the reversed cal at:
>http://www.emi.net/~mpitts/Bbnt.asm
>
>I will update this file periodically as I make progress, which will no
>doubt be slow since I am *not* very good with assembler level code.
>I am sure this will be littered with bugs, but it's all that I have. If
>you find any in the code I would want to know about, please let
>me know. I can be reached at: mailto:mpitts at emi.net
>
>The ultimate goal is to find the transmission, fueling and spark
>parameters so I can turbocharge the engine and alter the shifting
>characteristics. This may be of interest to those who would want
>to add a supercharger to this engine as well.
>
>Thanks,
>-Mike
>