Originally Posted by amdriven2liv

Might have a look at this thread:

Analyzing Oils and Additives for the 6.0L - TheDieselGarage.com

A look at different oils with Rev-x type stuff and ZDDP additives, since you are interested in Zinc

Originally Posted by diesel_dan

amdriven2liv: I kept meaning to ask what oil you are running? It seems like I saw another post of yours somewhere you were running 5w 40 syn.

on edit: also how many miles do you now have?

I spent a few hours over on BITOG and they seem to be proponents of at least going to a 10w 30 HDEO for the 6.0s. Of course I have enough 15w 40 stockpiled for 3 more changes and just did an OC

Originally Posted by livinlots26

So I finally got my last oil change/test done. My testing was on the three main oil additives that get the most hype. 1, hotshots secret 2, archoil and 3, rev x. So ill start with hotshots, now to my knowledge I don't have didn't have any stuck or failed injectors. I didn't really find hotshots made any difference what so ever in performance fuel economy or quieting the injectors, my test sent to the refinery didn't show much improvement in extended lubricity or extded life over my initial "no additive" test. So in my eyes although its easy ro buy at any tractor supply store I think its useless. Next I tried the archoil. I did notice a lot better cold starts (its been winter during this test) even over the hot shots which was done in the summer. The injectors seemed a bit smoother and test came back with much greater extended performance all over the board. That being said I did notice towards the last 1500 miles the injectors were getting a little louder. Fuel mileage was same as both hotshots and no additive. Finally the rev x. Although archoil uses a "nano borite" and rev x larger particle borite, I found after my first 2 runs an incridible difference in performance with crisp throttle response and much quiter injectors. My fuel mileage has increased by about .5 a mile and has a nice smooth idle. All my tests should be fairly consistant I fuel at the same station every time I drive the same route everyday and nothing has been changed to the truck since I started. I have not sent in the rev x oil sample for this test is only 500 miles in. Its odd how the oil you put the least amount of in your engine seems to work best! Ill keep you posted when I send in the sample, but so far rev x is the winner for me
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