Hi. I want to add Valvoline MaxLife Engine Protector to the crankcase of '95 Integra. But I don't know where the crankcase is. Can anyone help me? Thanks in advance.

 

The crankcase is where your reciprocation assemble is located:

Rods/crank. It's the space that your oil pan is covering.

I think they mean to put it in like oil....

 

When they say add it to your crankcase, it just means add it to your oil. Open up the cap on your valve cover and put in the additive. From what I've read about Valvoline Maxlife, all it does is thicken your oil.