High Octane Gas?
I have a 2014 2500 HD Ram with the 5.7 Hemi.. and have been putting reg gas in it. With the camping season upon us and towing every other weekend, should I be putting a higher octane in it? Will this ...
Forum Discussion
Turtle n Peeps wrote:
Technically, saying that premium has less BTU's is like saying I just took a leak in the ocean and now it's higher. Is it true? Ya, but.........:R.
Dang Peeps! You da man!
But seriously, my 5.4L F250 manual states a minimum of 87 octane, not a maximum. The minute power loss to running 89 octane is imeaserable. The power loss from the ecm retarding timing due to preignition is obvious. If I was racing my F250 at high rpm, I'd run 87. While towing it wants to drop into O/D and that's where it benefits from 89.
