"I have a 1988 OMC 5.0 Chevrol
"I have a 1988 OMC 5.0 Chevrolet. OMC Cobra II
I recalll pumping oil into the lower unit from the bottomuntil it came out the hole at the top of the lower unit. First of all, Is that correct?
I am not sure on the upper unit oil level. How do I check it?"