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John Deere Tractors Discussion Forum
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Anyone know how to UP the pump on a 4020????????

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4020

07-08-2004 09:35:21




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I am knew to the 4020, would like to raise the horsepower to about 100. Can anyone tell me how to go about doing this? Any information would be appreciated.




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G-MAN

07-08-2004 10:58:45




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 Re: Anyone know how to UP the pump on a 4020?????? in reply to 4020, 07-08-2004 09:35:21  
I agree with Mike. Any decent running 4020 with a solid engine should pretty easily make 100 hp or so at the stock settings, depending on altitude. It's not hard to tweak the pump some, but at 100 hp, you're only talking about another 5% or so, which is hardly worth messing with.



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4020

07-09-2004 05:45:19




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 Re: Re: Anyone know how to UP the pump on a 4020?? in reply to G-MAN, 07-08-2004 10:58:45  
I do have access to a dyno, would like to turn it up to do some farm stock tractorpulling at our local fairs, tractor is not used for farming, just for leisure. How much can I expect limit wise and how do I go about turning it up? Thanks in Advance.



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Mike M

07-08-2004 09:53:22




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 Re: Anyone know how to UP the pump on a 4020?????? in reply to 4020, 07-08-2004 09:35:21  
Do you have a dyno ? It may allready be there alot of them are unless worn out and the dyno will show this also great for checking blow by.



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