Did Mobil change M1 5w30??? It used to be thinner than what LS1's liked and amplified the sound of the valve train and piston slap. It's my understanding that's why a lot of owners went to M1 0w40. Someone correct me if I'm wrong.
Todd...I wish I could still use those filters! What would you...
My cam card says to use a high zinc oil. Which makes sense with higher lift cams to help guard against wear on the rocker and valve stem tips and and the valve guides. I know proper valve train geometry is the best fighter against those...but some high zinc would help. Which of these oils would...
My car has approx 55k miles. It's a weekend toy and is mostly stock except for a moderately big camshaft.
My local Wal-Mart Stocks Pennzoil Ultra in 5 qt jugs for 27.00 and M1 for 25ish every day of the week. They also stock Fram ultra filters. My local Advance Auto is always running a great...
