Those L4big pcms for the 2.2ohv have, from GM, alpha N fueling except for a very few J Cars in 97 which have a speed density tune.
Is this confirmed? Is it all calibrations or only the LD9 Supercharger calibrations that were Alpha N? If the cals are Alpha N, what purpose does the MAP sensor serve?

I'm currently looking at a file titled 2000 Cavalier 12206042 which appears to be traditional speed density with one side of the VE table being MAP indexed and the other being RPM indexed. Is this wrong?

Edit: Now I see the issue. There is an idle table which is MAP indexed while the off-idle tables are TPS indexed. Interesting. I have a .bin flagged as a '97 Cavalier which I'd like to compare but it appears that HPT is not interested in loading it.

Thanks,