Hello Bmann11.
I think I would switch to 15W40. Delo or Rotella are fine. I ran 15W40 in my 85 Mercedes 300D. I drove it 29 years. When I sold it in Apr of 17, it had 390K miles, good compression, and ran strong. Original engine. No rebuild. Just changed that oil about every 3k or 4k...
Hello Jeremy.
I bought a 2000 Ranger XLT 4 years ago. I have had hardly any trouble with it. I changed the Idle Air Control Valve ($35) this summer when I noticed an intermittent problem starting the engine. The problem was detected by an OBD II Diagnostic Code Reader ($29 on Amazon). I...
Hello Forum.
I read the following in my 2000 Ranger Owner's Guide, page 167:
"Do not use supplemental engine oil additives, oil treatments, or engine treatments. They are unnecessary and could, under certain conditions, lead to engine damage which is not covered in your warranty."
I will...
Switched to high mileage full synthetic at 154K several weeks ago. No leaks visible yet.
Update: December 9: It has been about 3 months now since the switch to synthetic. Still no leaks.