GMEpro question

[WEG1192 at aol.com]

In a message dated 08/19/2000 3:47:15 PM Eastern Daylight Time, 
Sealand at clarityconnect.com writes:

<< Must be a labeling error in that table heading, providing that you are
 really using a MAP based system file. >>

OK, I have used GMEpro to compare all the tables in the 90 Y body bin file 
and the Howell Y body bin file from the ftp site. I can understand the spark 
table changes and the fuel table changes, but the LV8/2 vs. coolant temp 
spark correction table has me stumped. Anyone know why a 20 degree spark 
correction is necessary at 190 deg F or does this table not apply to MAP 
based systems at all? Are these corrections added to or subtracted from the 
RPM vs. MAP spark table? In some areas this would put the max spark advance 
over 45 degrees which I thought was physically impossible due to the 
distributor design.

Thanks,
John Wilson
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