Click here to see a PDF document with a list of cars that use a digital EGR that can be used with the adapter plate. If you want to save the document, right click on the link and select "Save target as" or "Save link as" from the menu that pops up.
This is a list of sources for the 1227730 ECM.
Engine Control Module (ECM) 122773066 COMPATIBLE MODEL YEARS
Pontiac 6000 1987, 1988, 1989, 1990, 1991Chevrolet Beretta 1987, 1988, 1989, 1990, 1991, 1992, 1993
Chevrolet Camaro 1990, 1991, 1992
Chevrolet Camaro IROC-Z 1990
Chevrolet Camaro Z28 1991, 1992
Chevrolet Cavalier 1987, 1988, 1989, 1990, 1991, 1992, 1993
Chevrolet Celebrity 1987, 1988, 1989, 1990
Buick Century 1987, 1988
Oldsmobile Ciera 1987, 1988, 1989
Cadillac Cimarron 1987, 1988
Chevrolet Corsica 1987, 1988, 1989, 1990, 1991, 1992, 1993
Oldsmobile Cutlass (Ciera) Cruiser 1988, 1988, 1989, 1989
Oldsmobile Cutlass Ciera 1987, 1988, 1989
Pontiac Firebird 1990, 1991, 1992
Pontiac Firebird Trans Am 1990, 1991, 1992
Oldsmobile Firenza 1987
Buick Skyhawk 1987
Pontiac Sunbird 1991, 1992, 1993
Pontiac Tempest 1987, 1988, 1989, 1990, 1991