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7040 Alternator
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archangel_cpj View Drop Down
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Joined: 31 Dec 2009
Points: 193 		Post Options Post Options   Thanks (0) Thanks(0)   Quote archangel_cpj Quote  Post ReplyReply Direct Link To This Post Topic: 7040 Alternator
    Posted: 10 Feb 2010 at 11:29am
I want to get a more powerful alternator for my 7040 do you think NAPA will have one  Im assumind the 7040 has a 90 amp one there now I want over 100...
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tbran View Drop Down
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3350 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2010 at 12:20pm

Neihoff is expensive but they go up and over 120 amp.  Might keep tach working.  If not can drill for pick up as 8000 uses to run tach.  If you are using a bunch of amps, run a separate wire, #10 or 8 from main post to starter or positive on batt.   Also the breakers and power straps on the firewall  will need to be cleaned as they break down over the 30 years of use.
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archangel_cpj View Drop Down
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Points: 193 		Post Options Post Options   Thanks (0) Thanks(0)   Quote archangel_cpj Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2010 at 5:28pm

ya I ran all new wires I cant get the old alternator to keep above 12.8 - 13 volts under a load and now the lights comin on it needs to be bumped up just gotta find one???
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
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Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2010 at 6:55pm
Before Ford and GM began offering dual alternators, ambulances usually had 175 amp Leece-Neville alternators on them. Might see if you can find an old ambulance in a junkyard and grab one. Older semi tractors often had them too.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Dave King View Drop Down
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Points: 97 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave King Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2010 at 7:05pm
When Dad had an air champ planters, he ran a 120 amp Neihoff to run the 3 blowers, but the longivity wasn't very good.  If you could fit it for one of the bigger ones off a truck, I'd think that would be the ticket if you're using it hard.
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archangel_cpj View Drop Down
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Joined: 31 Dec 2009
Points: 193 		Post Options Post Options   Thanks (0) Thanks(0)   Quote archangel_cpj Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 2010 at 8:23pm
what is the amps on a 7040 alternator any how??? will the tach bolt be hard to find???
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