1994 Chaparral 1830 SST 1994 Chapparal 1830 SST. Rigged with a Mercruiser 4.3L and includes a Trailer. Good Compression on the motor and everything about this rig checks out fine. Convertible Cover, AM/FM Stereo and Compass complete the package. - 1994 Chapparal 1830 SST. 4.3L Mercruiser. Good Compression. Trailer