Re: I don't agree

Posted by jdemaris on April 24, 2005 at 19:08:58 from (209.23.28.130):

In Reply to: Re: perkins diesels posted by buickanddeere on April 24, 2005 at 10:39:22:

I'm not a Perkins expert, but that is absolutely NOT universally true for diesels in tractors - regardless if naturally aspirated,turbocharged, supercharged, intercooled, direct injected, indirect injected, etc. I know of many, including several Deere models, that came from the factory "detuned." Several companies use the same engine in different model tractors having different horsepower ratings - all done with the fuel delivery - and nothing more except sometimes a larger radiator. True also that there are many engines set at max. efficiency and reliable horsepower - and any further increases in fuel delivery do little more than make smoke and heat.
The older Deere 2520 responded very well to fuel delivery increases. The 3020 did not. With the 50 series ag. tractors, there were a couple of models that we upped the power by 15 % and they burned clean - ran cool - and lasted very well. From the factory the 2350 came with 56 horse, 2550 with 66 horse, and 2750 with 75 horse - all had the same engines - except the 2750 was turbocharged.
Seems I read that when Dodge first used the Cummins 5.9 in their pickup trucks, it too was used in a very "detuned" state. This left room in the future to easily boost the horsepower when competition called for it, without any major upgrades.

Follow Ups:

• Re: I don't agree, my numbers just proved what you buickanddeere 08:16:46 04/25/05 (2)
  • Re: I don't agree, my numbers just proved what you jdemaris 08:50:15 04/25/05 (1)
    • Re: I don't agree, my numbers just proved what you buickanddeere 10:23:37 04/25/05 (0)

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