I was wondering about tuners, do they really work as advertised?
I notice that what looks like the best numbers come when running better/higher octane fuel.....
When I have a pull with grades I put in the best I can buy, and I noticed on my stock 6.2 gasser F-250 super duty I get a little over 2 mpg better running that octane if my "stock" fuel gauge burn is to be believed.
I also noticed they say they flash the tranny, for optimal shifting patterns in certain tunes. But I have the ability to shift myself by actual conditions of which I am driving, no best guess program needed for that, right?
So I am wondering if it really worth buying?
I don't need more power for the sake of having more power...I go 55-60 always, and my truck is stock, and I have never felt the need for anything more, but again, I don't know if I do, or what it can add to my towing..
Thanks, any actual experiences would be appreciated
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