Block ID Numbers on a 6.2L

[Ron House]

I recently bought a boat with 2 86 6.2L engines. I am a newbie to the 6.2. Can anyone tell me where to find the code numbers on the block so I can tell exactly what I have got. More questions!There is a small enclosed pump between the primary filter and the block lift pump, does anyone know the psi that this pump should put out. The name of pump and etc. have long worn off.The previous owner said to cut them on during cranking cycle and run until engines warmed up. Also, does anyone know where a guy can find a service manual for the 6.2.

[Dieselboy]

Haynes makes a decent manual that covers 1980s diesel engines, and it includes the 5.7L, 6.2L, and 6.9L.

Helms makes the factory shop manuals, and they can still be purchased online.

[Ron House]

Thanks David