Search:

It occurs to me that I ask about viscosity every couple of years or so. I just can't seem to wrap my brain around it.

This mixing of oil was a short term fix only. I've been ignoring the...

Ya, my thoughts exactly. Mixing in 1/5 volume of something similar you end up with something close... And oil pressure is good, at any viscosity.

My 01 Silverado calls for 5-30 oil, it was low and I'll change oil in a day or two, I put in a quart of 20-50.

Just what do the numbers mean, and would it damage the engine to run straight 20-50,...