Collections vs. accumulations, was Re: How many collectors?

From: blstuart_at_bellsouth.net <(blstuart_at_bellsouth.net)>
Date: Tue Aug 7 23:37:10 2001

In message <998FEBD9C16DD211881200A0C9D61AD702A23B2F_at_acdfwx3.acdin.de.ittind.co
m>, "Messick, Gary" writes:
>I believe GM used mostly 68K derived stuff, have no idea about Chrysler.

I'm not sure how representative this is, but I do know at least
one of Crysler's engine control modules is based on a combination
of the 68HC12 and the 68HC16.

>I have a friend that OEMs an after market engine controller to a major
>aftermarket company. It turns out at least for him, in the beginning, it
>was easier to figure out the inputs/output to the module, and tweak those
>values, rather than replicating the functions of the entire controller. He
>simply placed his module "in-between" the module and the engine, and he
>could pretty much play at will with certain functions while letting the OEM
>module handle things he didn't care about.

That sounds familiar. I used to work for an aftermarket company
that does it a couple of ways. One is to play a game with the
signals externally and the other is to modify the tables within
the factory unit.

Brian L. Stuart
Received on Tue Aug 07 2001 - 23:37:10 BST