Re: Electronic to Mechanical Pump

Posted by jdemaris on April 04, 2006 at 20:08:02 from (69.67.234.116):

In Reply to: Re: Electronic to Mechanical Pump posted by RodInNS on April 04, 2006 at 15:17:47:

Forgetting people's driving habits for a minute, or anecdotal fuel milage reports - all you have to do it check the EPA ratings. They might not represent real-world driving conditions, but they work well for comparing vehicles with each other for a given year, or looking at a spectrum of years - at http://www.fueleconomy.gov/feg/findacar.htm

They do not test heavy pickups, however, only up to 1/2 ton trucks.
With the Cummins engines, and common-rail injection - if that's what they are using, I still doubt that it accounts for the better starting - I'm sure there are other factors involveed. Common-rail with electronic controls works well to control emissions and "diesel rattle" along with flame-travel in the combustion chamber. In regard to the diesel "rattle", I'd prefer to keep it, I like it.
I have noticed recently that many companies that have used Cummins power for years in their trucks are swithing to the new 5 cylinder Damlier-Mercedes diesel. Not sure why, but they're popping up all over the place.
On the general subject of old diesels versus modern - a few remarks were made here about the old Deere 4020 versus a newer 6300. Mr.Buick-Deere claims the fuel savings alone with the modern tractor would offset the purchase price. I checked Nebraska test ratings for both tractors - and at some speed and horsepower ratings - the 4020 is more fuel efficient that the much newer 6300. And, one of most fuel efficient diesels ever tested at Nebraska is the Deere two cylinder diesel - and also the Japanese "Deere" 1650.

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