[AT] Tractor Diesel Engine question - non-antique

[charliehill]

The only way I can help you with the specifics is to keep the conversation 
going and hope someone else will speak up.

Charlie
----- Original Message ----- 
From: "Grant Brians" <sales at heirloom-organic.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, February 21, 2010 10:58 AM
Subject: Re: [AT] Tractor Diesel Engine question - non-antique


> Normally I would agree, but the reason I am asking for specific knowledge
> is that these are the stock engines that have the higher output and lower
> output.... And th lower output engines are MUCH lower output than what I
> would normally expect.
>           Grant
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com]On Behalf Of charliehill
> Sent: Saturday, February 20, 2010 10:37 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] Tractor Diesel Engine question - non-antique
>
>
> Grant, generally speaking it's just a question of reliability and 
> longivity.
> The higher you turn the up the fewer total hours you get out of them and 
> the
> percentage of pre-mature failures goes up.  Mostly it's just a matter of
> turning more fuel to the engine generally with bigger injectors and/or 
> more
> pump pressure.  Sometimes their are came and valve changes.
>
> Charlie
>
>
> ----- Original Message -----
> From: "Grant Brians" <sales at heirloom-organic.com>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Saturday, February 20, 2010 6:43 PM
> Subject: [AT] Tractor Diesel Engine question - non-antique
>
>
>>I am hoping someone on the list (perhaps Mike Sloane?) can help me on
>> understanding something on recent design Diesel engines. Every tractor 
>> and
>> truck manufacturer of any size now has multiple versions of their diesel
>> engines with different Horsepower ratings and Torque rating curves.
>> Clearly
>> they are varying settings in the controls of the fuel systems and some
>> versions might have a turbocharger or intercooling. What I am trying to
>> figure out is when there is an engine that is NOT electronically
>> controlled
>> (there are still some), what SAFE changes could an owner make to settings
>> to
>> take advantage of the inherent capabilities of these units.
>>     In particular, I have Perkins and New Holland engines that fit into
>> these categories. In one case the nominal rating of the tractor is 78HP
>> PTO,
>> but my unit was dyno tested when I bought it with 93HP from the factory
>> and
>> others have "adjusted" these engines to get over 100HP PTO. I am also
>> looking at possible acquisition of another tactor that has tractors in 
>> the
>> same "family" using the same engine but with different adjustments that
>> are
>> as much as 45% higher horsepower. These variants of the engine are all
>> Tubocharged and Intercooled, so can a skilled and knowledgeable diesel
>> mechanic change the settings?
>>     Inquisitive people would like to know! I am not saying that I would
>> make any of these changes, but I know that in the past when I have
>> converted
>> OLD engines to better components that their performance has materially
>> improved, sometimes yielding 25% more work.... Also, at times the fuel
>> economy has gone up, but I know that would not happen in these newer
>> engines. I do know this would void the no longer applicable warrantee on
>> these engines if one were to perform the changes, but I still have a
>> burning
>> curiousity.
>>           Grant Brians
>>
>>
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