7.3 gas
Lead Driver
Joined: Jan 2002
Posts: 8,668
Likes: 4,765
From: Itinerant
I'm with you on that. Both great engines but the 7.3 is much better with equal or better gas mileage.
Laughing Gas
Joined: Jul 2020
Posts: 977
Likes: 458
The same people live with the fear of the 6.2 dropping a valve, and the cp4 on the 6.7 and the rear axle tube cracking, and ac going out and the hud unit slipping down and the gearshift indicator not aligned……
Mountain Pass
Joined: Oct 2023
Posts: 164
Likes: 124
From: Florida
Traded in a 2020 Diesel to get mine, love it so far. Like anything else, may have problems may not. Just drive it, do the maintenance and enjoy it if that platform works for you.
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Fleet Mechanic
Joined: Feb 2002
Posts: 1,483
Likes: 273
From: Tulare U.S.A.
I had a 2011 Lariat Sb CC 6.2L with 3.73 gears and now have the same truck except for a 7.3L 2022 Tremor with 4.30 gears. I will say the 7.3L with the ten-speed is a beast compared to the 6.2L with the 6-speed. They get almost identical gas mileage. The 7.3L has a much broader torque curve. It comes on sooner and pulls a lot harder.
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Cargo Master
Joined: Jan 2004
Posts: 2,428
Likes: 698
From: Minnesota
Maximum numbers on the 7.3 are only about 10% more than the 6.2 but there is much better low rpm performance.
Most 6.2 were also hampered by the 6 speed. I'll bet that a 6.2 10 speed pulls real well.
We pull an 11K fifth wheel all over "the west" with no issues whatsoever.
Most 6.2 were also hampered by the 6 speed. I'll bet that a 6.2 10 speed pulls real well.
We pull an 11K fifth wheel all over "the west" with no issues whatsoever.
Fleet Mechanic
Joined: May 2017
Posts: 1,757
Likes: 384
From: Oregon
Very happy with mine. 27K so for. Replaced a 2017 6.2 and there is a big difference between the two. I got a little better mpg's with the 6.2 but I certainly more power lower in the rpm in the 7.3. The 10spd is a big help as well and has been perfect in my opinion. I'm not too worried about the lifter cam issue but I do have a "lifetime" (as long as I own it) powertrain warranty that came with the truck from the dealer. Wasn't worried about the valve spring issue on the 6.2 until I lost one at 12K. haha.
Laughing Gas
Joined: Nov 2010
Posts: 795
Likes: 259
I had 2011 and 2013 6.2 Lariat trucks, the 2023 7.3 is night and day more pleasant to drive because it makes enough torque below 4,000 RPM to accelerate and pass with ease.
Mileage is more or less the same between them.
Mileage is more or less the same between them.
