749 question -

[Barry Tisdale <btisdale@cybersol.com>]

Twiddling the dials on my 749 on the bench, I notice that decreasing MAT
values past 60degF or so, results in increasing BPW - logical to expect
that, but gives no change on increasing from 60deg to the max.

Spark timing is also affected (same temp ranges), but I can't find either
the MAT timing bias factor (KMATBIAS) in Promgrammer or in GMECM; neither
is there a table giving timing vs MAT values (to be offset against the bias
figure).  I thought at first that the SyTy code didn't use MAT for anything
- am I missing something here?

Thanks much - Barry

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