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Old 10-17-2019, 07:35 AM   #85
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Join Date: Jul 2019
Posts: 8
he is right

Originally Posted by smeg99 View Post
Burning a higher octane than required will never improve mileage. This is because all octanes have the same energy per unit volume. Inherit errors in calculating mileage over a few tanks of gas may give a false indication of improved mileage. Using a higher octane than required is a waste of money.

all gas is basically 87 octane. chemicals are added to "higher" octane so the gas burns sloowwer. same amount of energy just slower burning to prevent knocking in high compression engines. so you spend more money for less.

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Old 11-14-2019, 06:46 PM   #86
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Originally Posted by Winterbagoal View Post
I call BS.
A 5 ton vehicle + cargo with a V10 and high RPM ranges to get max HP and torque isn't likely to get anywhere near those numbers unless you waited until you were at cruising speed before looking at the real time MPG average on whatever scan tool you're using for MPG.

Sorry dude, not buying the "I bought this thing believing all the pro-FordTritonV10 forum posts, and can't believe how bad the fuel economy actually is" propaganda.
My brother just got back from his first trip in his brand new 27' Sun Seeker V10 going from Phoenix to above Young Az. via Payson. This trip has a ton of big grades going both directions with a net gain of almost 7000' at the highest elevation of 7800'. On the round trip he got a calculated 8.9 mpg and was hoping for 7mpg. I drive this same route and its the worst for getting good mpg. He was not towing and there was not heavy winds. I think a lot depends on how you operate the gas peddle. I believe the mpg claims.

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gas, v10

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