GM Question

Bruce Plecan nacelp at bright.net
Sat Jun 6 02:19:46 GMT 1998


From: Jason Weir <jweir at worldnet.att.net>
Subject: GM Question


>I am new to the list and from the looks of the archives that I have been
>reading I am really uneducated in the subject but that's why I am here,
>to learn... ok here goes,  what I did was install a GM TBI off a 91 4.3
>V6 onto my 88 Jeep Wrangler's 4.2... well everything is working good so
>far, my problem is that the timing curve in the prom is for the Chevy
>motor and it is greatly different from the needs of the Jeep motor..
>What I would like to do is change the timing curve in the chip... my
>first question is,  does the chip need to be burnt in a eprom burner or


>From what you've said so far you have a 1227747 ecm (look at the
white paper tag on the ecm).  If so you just happen to be in luck.
Look in the archives about programming 101, and all ya need to know
is there.  Also, look up timing tables fuel maps tune up, and again
it's all there.

Cheers
BPelican




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