Oh, about the 2.3 Liter Quad-4; It used 1227749, 1228707 (16198267), 16207326, 16192232 and 16228016 ECMs, from oldest to newest. hth Mike V > Anybody know if GM does a 16V DOHC > 4 Cylinder Engine with EFI of less > than 2500cc in the US for Vehicles > made after 1994 ?