N600 fuel mieage?
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N600 fuel mieage?
Have a 69 n600(about 30 years now) with a 14ft grain box. Using to haul small square bales of hay now, about 3 tons of hay. Just put in a 360 out of a 75 f350. Kept the same carb form the orginal 330 fuel mileage around 5 to 6, is that about in the area. This is the 3rd engine in 30 years others ran about the same mileage. Thanks
Junior User
Joined: Dec 2010
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From: Port Orchard, WA
As you know, mileage would depend on what speed you drive, gearing, hills, and weight. So, 5-6 sounds ok. My 70 F600 with a 428 gets 8-10 MPG @ 55 MPH. It has a service box on it and it weighs 14,000 lbs. If I remember correctly, it has something like 5.80/7.40 gears in it and 10R-20 rubber. Most of my driving with it is on flat ground at sea level so it never has to work to hard.
Fleet Mechanic
Joined: May 2005
Posts: 1,575
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From: Puyallup, WA
C600 with a 330/Allison - My mileage varies from about 3 to 5 depending upon the load. You can literaly watch the fuel gauge drop when hammer down going up hill, but then loaded, I might be at 6-10 mph up the one steep hill so it takes some time.
But unloaded (which is rare) at about 54 mph it seems to go a much longer time, in fact I would guess right around the 8-10 mpg range.
I imagine a diesel would do much better as well as being faster, but at 7 miles each way, it would take many years to recoup the cost, in fat I mght not live that long! Of course once my project is done, until I get the next one, the C600 is going to be sitting a lot as I use it in a non commercial manor.
David
But unloaded (which is rare) at about 54 mph it seems to go a much longer time, in fact I would guess right around the 8-10 mpg range.
I imagine a diesel would do much better as well as being faster, but at 7 miles each way, it would take many years to recoup the cost, in fat I mght not live that long! Of course once my project is done, until I get the next one, the C600 is going to be sitting a lot as I use it in a non commercial manor.
David
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Joined: Jul 2002
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From: Long Island USA
First, after driving a while, check the plugs and make sure it's not running rich.
Second, the Ford 2bbl (if that's what it is) is notorious for being a fuel hog.
You MIGHT wanna try getting a 4bbl intake (cast iron stock would be cheap) and using a 4bbl 600cfm Holley with vacuum secondaries.
If you can get the thing to run on the primaries only at cruising speed, you MIGHT pick up a few MPGs.
Second, the Ford 2bbl (if that's what it is) is notorious for being a fuel hog.
You MIGHT wanna try getting a 4bbl intake (cast iron stock would be cheap) and using a 4bbl 600cfm Holley with vacuum secondaries.
If you can get the thing to run on the primaries only at cruising speed, you MIGHT pick up a few MPGs.
Fleet Mechanic
Joined: May 2005
Posts: 1,575
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From: Puyallup, WA
In my case it is tons per gallon, you have to look at the big picture here. In my case, I can haul 4 times as much 5/8" gravel in the C600 than the F250, even if I only get 3 miles per gallon, well at 7 or 8 with the F250 I am way ahead with the C600 in X gas used to haul X tons.
Both are "dump" trucks, so unloading is the same, but as a plus I don't have to leave the drivers seat on the C600 to release the tailgate, whereas I have to leave the cab of the truck to manualy open the gate on the dump insert in the F250.
Same I imagine with Hay hauling, I imagine the N600 probably can haul a considerable amount more than a pickup. I would, uneducated in the hay hauling business that I am, hazard to guess it is about 4 or possibly 5 times the amount in a pickup, so it really works out advantage large truck.
I am comparing Gas vs Gas here.
David
Both are "dump" trucks, so unloading is the same, but as a plus I don't have to leave the drivers seat on the C600 to release the tailgate, whereas I have to leave the cab of the truck to manualy open the gate on the dump insert in the F250.
Same I imagine with Hay hauling, I imagine the N600 probably can haul a considerable amount more than a pickup. I would, uneducated in the hay hauling business that I am, hazard to guess it is about 4 or possibly 5 times the amount in a pickup, so it really works out advantage large truck.
I am comparing Gas vs Gas here.
David
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