octane rating and engine performance
In Texas, the minimum octane rating is 87. On a recent trip to Glacier, I noticed a lot of the fuel in states like CO, WY and MT, the octane was 85, and you had to buy the mid-grade to get 87 and abov...
Forum Discussion
ShinerBock wrote:
Did the OP every say what year his 5.0L was? I wonder if it was a 2011-2017 port injected 10.5:1 compression ratio (gen 1 & 2) 5.0L or a 2018 direct/port injected 12.0:1 compression ratio (gen 3) 5.0L?
2013 Shiner.
