How much oil do I hold [&:]

No owners manual...

 

I can't give you an exact number but when I chnged my oil last time I remember buying 6 bottles of Amsoil so that I would have some left over if I had any burn off. ubt I forget how much i used in my 12v (AFC engine) it was a bit ago and I'm not due for another change till 200K baby

 

5 quarters.
Buy full synthetic (They usually sell those big bottles holding 5qrts)

 

get a 6th quart jic

 

Thanks, oil successfully changed.

 

they sell a 5qt of o-40? synthetic?

 

AFC 12v 2.8 V6 = 5.4qts.