Pre-Power Stroke Diesel (7.3L IDI & 6.9L)Diesel Topics Only
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Given equal condition theres no question the diesel is better, but you asked in the diesel forum so what answer were you expecting? Especially in a 3/4 ton! The best description anyone here has used regarding the 351 is that it "pulls like a 302 and sucks gas like a 460" what do you get for mileage anyway? Most of us get 15 to 18 mpg, some are doing better but that 15 ish is no problem for just about anyone. That 7.3 will pull the axles out from under a 351, put a turbo on it someday and you'll out-run it too.
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I have a 90 7.3 F350 with an ATS turbo, and an 89 F150 with the 351. Both have automatic transmissions and extended cabs. I live at almost 9000 feet in the Colorado Rockies. The 7.3 diesel is far superior in both pulling a load and fuel economy. The diesel averages around 16 MPG where the 351 will average around 11 MPG. With what you are hauling, I think you would be very happy with the diesel truck trade.
Stock for stock, I'd pick the 7.3. I personally think the 351 will pull harder, but you're running at higher rpms to do so, and mileage will suffer. The 7.3 will lug along all day and not break a sweat.
There's nothing wrong with the Windsor and there is lots of potential for horsepower and useable torque with them. But you will never get the fuel mileage that you can with the diesel.
'12 Dodge 3500 crewcab 6.7 HO, Not Stock!!
'93 F350 CC 4wd 7.3 ZF and a ton of miles
'69 Bronco SEFI 5.0, NP435, geared, locked...
Honey badger don't care...
And the 7.3 will outlive the 351 by a long shot in pulling conditions......
1990 Ford F250 4x4, ZF5, L/S 4.10, N/A 7.3L Diesel, 568,808km/377,497 miles, still on the original clutch!
1989 Ford F150 300-6, C6, 2.73, 152,000km/95,000 miles.
1987 Ford E350 26ft. Motorhome, N/A 6.9L Diesel, C6, 3.54, 289,000km/180,000 miles.
1985 Ford E350 Ext Van, 6.9L Diesel, C6, 4.11, 677,000km/425k miles
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