Well, as a follow up to my post yesterday about identifying my "mystery" ECU
with the Bosch label (and no yellow label), it IS indeed compatible with the
upgrade chip's 28 pins.  I had to pull the ECU apart in order to count the
pins before I knew for sure.

Now I also see that the chip must be *unsoldered* and the new one soldered
in place. I am assuming this is the case, but I thought I would check with
the List and do a quick sanity check before I bust out the "solder sucker"
and iron..

Can anyone confirm for me that the old chip must be unsoldered and the new
one soldered in place?  Also, I am assuming that the alignment of the new
chip is done by using the notch in the end of the chip (and matching it to
the same notch location in the old chip's placement?

Also, it may be a week before I get the rockers installed - anyone tried the
chip without the rockers?  Any problems?  (I am assuming not - just a bit
more rich operation when warm...)

I have pictures, and will be documenting the entire process in case anyone
is curious...

Brent Christensen
'89 GL Syncro Westy
Santa Barbara, CA

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