Posted by Andy on October 15, 1998 at 20:39:13:
I have to do an oil change on my '68 WM300 and I don't have any manuals that tell me what the refill capacity is. I would also like to know if anyone has any recommendations on what weight oil to use. I plan to use either Valvoline 15w-40 mineral of the 10w-40 synthetic blend. Lastly, what should the oil pressure be on the 251? Thanks, Andy Tierney