OMC 3.8 timing marks?

[drrm123]

can someone with a OMC 3.8 tell me the range of the timing on tab mine is too rusty to tell was trying to check timing yesterday i'm thinking it should go form 4atdc to 12btdc or even picture would help engine is a 1981.

 

[GiMLit]

Re: OMC 3.8 timing marks?

I will take a pic tomorrow for you.
The engine I have on the garage floor is a 1984 timing marks are from 12 to 12 in 2 degree increments.

 

[drrm123]

Re: OMC 3.8 timing marks?

I found it needed to know which indentation was for 10 degrees, mine was set at 12 degrees so i'll retime it this week. and paint white mark for future. thanks for reply.