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Modern engine for a 350

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Old Feb 17, 2006 | 08:01 PM
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snsowens
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Modern engine for a 350

I'm wondering if anyone knows if there is a easy (assuming you have the engine) swap for for a newer (read fuel efficient) engine for a 76 F350. Love the truck but 8 miles to the gallon is hard to justify long-term.
 
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Old Feb 17, 2006 | 08:34 PM
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Originally Posted by snsowens
I'm wondering if anyone knows if there is a easy (assuming you have the engine) swap for for a newer (read fuel efficient) engine for a 76 F350. Love the truck but 8 miles to the gallon is hard to justify long-term.
For mileage, and for an engine that can actually survive under the hood of a 1 ton truck, your best bet is going to be a 5.9 Cummins diesel. Some of the guys with the early 160/400 paired up with the 3.54 gears can get 26 or even 27 MPG on the highway. Thats assuming you do the speed limit. Even the later higher power 12 valves can easilly do 20 MPG on the highywy too. And yet the engine will still pull like the big block you have now, if not better.
Its not the easiest or cheapest swap, but if you want the best milage there it is.
 
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Old Feb 17, 2006 | 10:20 PM
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If mileage is your primary concern, you may want to consider a fuel-injected 300 CID inline six. I doubt if you'd be very happy towing/hauling with it, but it'd get you better mileage.
 
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Old Feb 17, 2006 | 10:30 PM
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Originally Posted by Indybroncoman
If mileage is your primary concern, you may want to consider a fuel-injected 300 CID inline six. I doubt if you'd be very happy towing/hauling with it, but it'd get you better mileage.
I wouldn't bet on it. I have several and I'm lucky if I can get 15 MPG in a completly stock 4500 pound F150. That engine in a truck that weight 2000 pounds more and no overdrive is still going to get around the same milage as he's getting now. Even if he can get 10 or 11 MPG with it, the low power isn't going to be a fair trade for the milage IMO. And to get that kind of milage he's going to have to go s-l-o-w with it anyways
 
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Old Feb 17, 2006 | 11:06 PM
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I don't know how difficult the swap would be, but I'm in love with my 1999 V-10.
It's in a 22' motorhome, E350 chassis. Even towing my Wrangler and it still gets 10 mpg. (This rig is always overloaded too, thanks to the love of my life.) The thing really hauls. With temperatures over 100 degrees, A/C on, towing, travelling over high altitude mountain passes and the temp gauges never move any higher than going downhill.
 
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