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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Board

Re: Herc 478


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Posted by Al Baker on January 24, 2013 at 13:03:26 from (65.183.168.227):

In Reply to: Re: Herc 478 posted by rrlund on January 24, 2013 at 07:02:20:

On the Deeres I have milled the block and sleeves to raise the piston height, then turn the piston to raise the upper ring height. This raises compresion but the hard way. If you raise the oppening pressure way up on the nozzles, advace the cam timing a degree or two and sometimes install a higher boost turbo you can get better economy. This doing the job the old school way. It is way easier to just buy parts that will do what you want done. I was just hoping I wasnt the first plow boy who liked the 478, But hated to pay the fuel bill.Seems like it doesnt care if you work its nuts off or baby it it still uses the same amount. I guess it to be close to 9-10 gallon a hour. At 4 bucks a gallon it adds up fast.


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