The specific model/vintage of Mercruiser Marine Engines can be determined by looking at the last letters of the engine code which is stamped in all complete Marine Longblocks by General Motors at the time of assembly. If the serial number and/or model decals are missing, the Marine Engine code will help to determine the engine model.. GM 305 V-8 1982-1984 Engine & Stern Drive by All Engine Parts & Diagrams;. GM 305 V-8 1982-1984 Engine & Stern Drive by All Engine Parts & Diagrams. Revise Search: All Models > 228 (4. Quicksilver original parts and quality discount aftermarket parts by Sierra Marine, Mallory Marine, Barr and Osco.
This MABBCO® MARINE Remanufactured Long Block is intended for a STD rotation GM Chevy 3.8 229 motor, model years 1980-1984. This block is identifiable by its 2pc. rear main seal, #594 block casting number, non-roller camshaft, and mechanical fuel pump hole.. Marine Engine Maintenance; Boat Cleaners & Waxes. Does anyone have a drawing\picture diagram of a 3.8L GM V6 engine? I think I'm missing some pulleys (water pump pulley is one of them) but I think I'm missing another pulley that goes underneath the alternator.. OMC 3.8L 1984 Stringer V6 GM drawings K, found a picture of a 3.8L..