Please see 540 RAT'S BLOG…
Please see 540 RAT'S BLOG. JUST TYPE IN 540 RAT. HE IS A PROFESSIONAL MECHANICAL AND AUTOMOTIVE ENGINEER. HE DEVELOPED EQUIPMENT TO TEST ANY ENGINE OIL FOR WEAR PROTECTION. HE HAS TESTED SOME 300 OILS. HE IS NOT PAID BY ANY OIL COMPANY OR CAR MANUFACTURER. HE PROVIDES FREE DATA AND INFO AS A PUBLIC SERVICE. THE NUMBER 1 RATED OIL ON HIS LIST FOR BEST ENGINE WEAR PROTECTION IS QUAKER STATE 5W-30 FULL SYNTHETIC.