9 96Outback Joined Oct 9, 2003 Messages 41 Location KY Feb 26, 2004 #1 Had been using Pennzoil or Chevron 5w20 in my 97 F150 4.6L. Found the synthetic Pennzoil today. Going to run it out to about 4k and do an analysis. Just got finished with my Auto-Rx rinse cycle. John
Had been using Pennzoil or Chevron 5w20 in my 97 F150 4.6L. Found the synthetic Pennzoil today. Going to run it out to about 4k and do an analysis. Just got finished with my Auto-Rx rinse cycle. John
