Where do you get 15W-50 in jugs? I've only seen quarts and only at Autozone. That's about $4 per quart before sales tax. It's $4.75 per quart at Autozone.

The good Dr. Booth says it can take several thousand miles for Mobil 1 to quiet lifters. Don't be discouraged if you don't get results after the first fill.

Sixto
95 S420
87 300SDL