excellent. equal to motorcraft. i run it in the wifes car. i did run it in my truck, but i just switched to full syn. good oil. not much else to say i guess.
There is straight TropArtic and TropArtic synthetic blend. The comparisons to Motorcraft here are for the synthetic blend TropArtic. WalMarts in certain states carry both regular and blends. If my memory is correct, there is only a .10 -.20 cent difference between the two at Walmart (I could be wrong)
they only carry syn blend TA around here (mid-illinois). but today i saw some straight TA at a Philips 66 station outside of St. Louis. other than that ive only seen the syn blends.
Trop Artic semi. is a very good engine lube,and cost is good,,many of Philips/Conoco products are Excellent,,,,,wish a rep. would be a site sponsor...hint....BL
At the local Wally-Worlds here, TropArtic 5w30 & 10w30 are labeled as "Synthetic Blend", while TropArtic 10w40 isn't. No TA 5w20 locally, but the website says it's synthetic blend too.