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www.irv2.com/forums/f258/the-verdict-is-in-new-ford-7-3-v-8-gas-mpg-not-so...

The gas engine has already been about as efficient as it can be for the past 20 years. Short of doubling or tripling the cost, anyway. Precise fuel injection with closed loop performance feedback to a really smart engine controller does about all that can be done with a gasoline internal combustion engine.

jalopnik.com/why-the-ford-super-duty-s-7-3-liter-v8-makes-only-430-h-1836880836

Back in February, Ford announced a new, 7.3-liter gasoline V8 engine for the 2020 Ford Super Duty. It was light on the details then, but no matter, because we have them now.

www.fordf150blog.com/7-3-liter-gas-engine-how-much-power

Ford has another 1.1 liters of displacement to work with in the new 7.3 as well as newer engine technology, I bet Ford will easily beat out the new Chevy engine given everything we know so far. 2020 Ford Super Duty 7.3 Gas Engine

fordauthority.com/2020/01/ford-7-3-liter-godzilla-v8-has-10000-mile-oil-change...

Ford has been very proud of its new 7.3-liter V8 engine that will find its way under the hood of the 2020 Ford Super Duty line. Ford has spent a lot of time bragging on this engine, which replaces the outgoing Ford V10. Ford has put a lot of effort into making the engine as durable and cheap to maintain as possible for fleet owners.

www.wanderthewest.com/forum/topic/17854-what-gas-engine-2020-f350-62-gas-or-73...

The diesel has been good in that we have been able to load it right up, put a little larger tire on and the fuel economy and power have both been satisfactory. The 6.2 and 7.3 might have disappointing fuel consumption (for us) but for power, at least, I expect the 7.3 would be better than the 6.2. Edited by klahanie, 10 February 2019 - 06:26 AM.

www.powerstroke.org/threads/7-3-fuel-economy.1372155

In the 9+yrs I've had my truck, the best I noticed was 18.5 mpg. This was typically from highway driving @ 65 to 75mph where I could set the cruise control. Since Monday I've been driving all 2 lane highway miles (40 to 55), and was shocked to calculate 20.1mpg over 232 miles (and I checked to...

www.redpowermagazine.com/forums/topic/128259-ford-73-gas-engine

My 6.2 is in the 12-15mpg range empty and under 10 when pulling anything hooked to the gooseneck hitch so I am really thinking the difference in mpg between the 6.2 and 7.3 will be minimal. I just built a truck on the Ford website yesterday and the upgrade from 6.2 to 7.3 was $1700. Seemed like a no brainer for me as long as the 7.3 doesn't ...

www.truckcamperadventure.com/.../what-gas-engine-2020-f350-6-2-gas-or-7-3-l-gas

Next up is an all-new 7.3-liter pushrod V8, claimed to be the most powerful gas engine in Super Duty history. Finally, there’s a new, third-generation 6.7-liter Power Stroke turbodiesel V8. It has a new turbo, new internals and a new 36,000-psi fueling system to deliver power; the outgoing engine was rated for 450 hp and 935 lb-ft.

www.irv2.com/forums/f23/ford-engines-triton-v10-vs-7-3l-v8-496757-4.html

The best gas mileage I ever got was 4.8 mpg, I understand the newer ones get upwards of 6-8 mpg. However the V10 is the overhead cam design which is a much higher revving engine than the 7.3 V8 which is the tried and true technology used for many years.

www.thedieselstop.com/threads/poor-fuel-mileage-with-7-3.181592

The problem: I get around 10 mpg and at best 12. Which really sucks with diesel prices these days. I hear rumors of people getting 18-20mpg with their 7.3 powerstrokes. how? My current setup: 02 crew cab short bed with 6spd and 7.3. I've changed the fuel filter ontop of the engine, have a...