"In my 6.0L PowerStroke it was truly incredible. My first refill at the same station and the same pump, I hand calculated 19.5mpg, that's around town with some freeway driving, it's usually an average of 16mpg. Also the power and performance level increase with this product in your fuel is a whole new experience. When towing heavy trailer loads of hay last weekend my low end power had increased substantially. The exhaust tone of the truck was also noticeably cleaner sounding and all gauge readings were in the sweet zone."
Senior Moderator, TheDieselGarage.com
Works great on my 6.7 Powerstroke. I add this product every oil change to give the system a deep clean on top of running the AR6200 daily.
Deeply cleans the fuel system, absolutely love this stuff.
I have used several Arch Oil products and I am very happy with the results.
I've used all three of these products for the past 2 years and have incredible success.
I have a 2005 F350, 6.0 and pull a 10000 trailer.
When I started using the Archoil products I was looking at rebuilding or possibly replacing my stock turbo.
I was coding low boost at 2300 RPM's.
I read about Archoil in a forum and gave them a call.
I spoke to Alex in the tech dept. and he explained the inner workings of each of their products.
Alex explained the AR-6400D is the only product that doesn't burn up before it gets to the turbo.
So, 3 tanks later, my turbo was whistling again and is still going strong, pushing a steady 2800 RPM's pulling my trailer up hill.
WOW am I impressed....
Will use after every 5000 miles as directed. Archoil has a good reputation!