[bowfish]

Hey i was just wondering what the best fuel additive is for my 6.4 powerstroke, i am looking for something to just clean my whole fuel system, of moisture grim dirt, and whatever else could be in there. Thanks!

 

[jbwaldrop88]

I've heard good things about schaeffers fuel additives, alot of guys with 6.4s around me usually just run power service or the fuel treatment from ford

 

[DieselManor]

"Best" depends on the criteria that you're looking at, but I like the Stanadyne Performance Formula. I run it in every fill-up all year round. I have started to run a little more than they reccomend (1.5 x) and have noticed a little more increase in fuel econ. Not suggesting you do that, just a little info on what I'm doing. We had a large shippment of it return to us due to damage, and we can't sell it, can't dump it down the drain, so I decided to run it on the heavy side in my truck.

 

[DieselManor]

"Best" depends on the criteria that you're looking at, but I like the Stanadyne Performance Formula. I run it in every fill-up all year round. I have started to run a little more than they reccomend (1.5 x) and have noticed a little more increase in fuel econ. Not suggesting you do that, just a little info on what I'm doing. We had a large shippment of it return to us due to damage, and we can't sell it, can't dump it down the drain, so I decided to run it on the heavy side in my truck.