Originally Posted By: spasm3
+3 Hdeo, I also like mobil 1 high mileage, but HDEO costs less.
I have used Delvac, Rotella, and m1 hm quite a bit. I get better results with the M1. With the biannual rebates (currently on a few more days), it is always cheaper than standard hdeo.
An additive in the crank run statically before changing will tubocharge the results.