Detroit diesel engines

Status
Not open for further replies.

jennyo

Seaman Apprentice
Joined
May 6, 2009
Messages
46
I have a 1976 6v53 detroit diesel inboard that has not been started in 11 years.
engine is not seized up and was winterized at that time.what precautions should
be done before trying to start engine.also what weight engine oil should be used,
and what type of antifreeze should i use in cooling system.
thanks for any information anyone can provide.
jennyo
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
40,581
I would suggest using heavy duty ELC antifreeze. Need low silicate type by DD, Fleet Guard or NAPA, that is pre charged with SCA (Supplemental Coolant Additive)

Oil 15W40 Diesel oil

If you have to remove the air filter to where its a smooth round opening, and have a board or plate the size of the hole. The board can be used to kill the motor if it starts to run away at high rpm and the throttle will not control it. If it does this, slap the board/plate over the intake and the motor will die.

It probably won't do this but this is just incase
 

jennyo

Seaman Apprentice
Joined
May 6, 2009
Messages
46
thank you for that quick reply.i will let you know
when i get it running.
Thanks
jennyo
 

jennyo

Seaman Apprentice
Joined
May 6, 2009
Messages
46
HELLO.i took your advice.Engine started and ran good.I changed all fluids.
The boat is being used now and so far engine does not smoke.

Thanks again
Jennyo
 

mpc8681

Recruit
Joined
Apr 30, 2020
Messages
1
Using conventional 15w40 oil in a two cycle Detroit diesel will greatly reduce life of cylinder liners and engine components. Strait 40 weight oilis what should be run in a Detroit two cycle.
 
Status
Not open for further replies.
Top