I'm looking at doing some ME5.9.2 tuning but of the non-turbo kind.  The 2 cars I'm looking at doing at MK3 golf with an ABA engine and a later MK4 jetta with a AEG engine. Both ECU's are ME5.9.2 (both NA OBD2 cars).

Here are the questions I have :
 
 1 - I've look at as many xdf and ols files as I could find, though they are either for a 1.8t or an OBD1 car.  Some maps are close,  I can see what looks like a timing maps in the same range but is it normal for the maps to be located near each other between turbo and non-turbo?

 2 - Checksums?  I hear I can flash with MPPS but does a clone correct checksums? Can WinOLS do the checksums for 5.9.2? Or since the data is copied 4 times in the file, is that the checksum?

 3 - Does McMESS work on these ecu's for logging?

 4 - Anyone have a ols for an ABA or AEG engine?

As an added benefit VWSurplus is getting ride of brand new ABA ecu's for $99-$149 so I can pick up a good spare or 2 for testing