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7020 Injection Pump
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Jack(Ky) View Drop Down
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Joined: 12 Sep 2009
Location: Ky
Points: 1156 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack(Ky) Quote  Post ReplyReply Direct Link To This Post Topic: 7020 Injection Pump
    Posted: 12 Apr 2019 at 10:22am
How can I tell if my pump has been turned up? It smokes a some but not a lot. I don't use all the horsepower and I would like have it turned down a little so it don't use so much fuel.
'59 D14 '68 170 Diesel '81 7020 40 All Crop
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HD6GTOM View Drop Down
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Joined: 30 Nov 2009
Location: MADISON CO IA
Points: 6627 		Post Options Post Options   Thanks (0) Thanks(0)   Quote HD6GTOM Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2019 at 10:29am
Smoke can be caused by using truck stop/ convience store diesel fuel instead of premium #2 diesel fuel. Your tractor was designed to use premium #2 fuel. Black smoke is unburned diesel fuel going up the stack.
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Jack(Ky) View Drop Down
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Joined: 12 Sep 2009
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Points: 1156 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack(Ky) Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2019 at 12:17pm
L
'59 D14 '68 170 Diesel '81 7020 40 All Crop
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Jack(Ky) View Drop Down
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Joined: 12 Sep 2009
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Points: 1156 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack(Ky) Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2019 at 12:21pm
Originally posted by Jack(Ky) Jack(Ky) wrote:

L
I know that. I use off road farm diesel.
'59 D14 '68 170 Diesel '81 7020 40 All Crop
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2019 at 9:22pm
Be hard to tell unless you put it on test stand. I thought they all smoked.     MACK
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22858 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 12 Apr 2019 at 9:47pm
If you take your 7020 tractor (rated at 120 HP max) and use it on a load that only requires the governor to demand 50 HP output from the engine, turning the fuel delivery down to produce a max of say 100 HP will show zero fuel savings on the same load. What you think you want to do really doesn't work like that.
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Jack(Ky) View Drop Down
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Joined: 12 Sep 2009
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Points: 1156 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jack(Ky) Quote  Post ReplyReply Direct Link To This Post Posted: 13 Apr 2019 at 5:42am
Thank you guys for the info!
'59 D14 '68 170 Diesel '81 7020 40 All Crop
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Lonn View Drop Down
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29819 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 13 Apr 2019 at 6:23pm
Put it on a dyno
-- --- .... .- -- -- .- -.. / .-- .- ... / .- / -- ..- .-. -.. . .-. .. -. --. / -.-. .... .. .-.. -.. / .-. .- .--. .. ... -
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3668 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 13 Apr 2019 at 6:56pm
You are packing 12,000 + pounds... lighten it up will save hp/fuel if it is weighted --- it is not an economy tractor as it takes hp to move that weight. 
When told "it's not the money,it's the principle", remember, it's always the money..
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