Supported vehicles are listed here.
Here is a non exhaustive list of engines that are not supported by MHD:
Diesel engines
b38, b46 and b48 engines
n20 cars
n52, n53
Supported vehicles are listed here.
Here is a non exhaustive list of engines that are not supported by MHD:
Diesel engines
b38, b46 and b48 engines
n20 cars
n52, n53