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8 volt Battery

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Bruce W

02-27-2003 15:23:08




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My 8n is alittle hard starting at times and I don't wish to convert to 12 volt yet, so, how about a 8 volt battery?, I see them for sale at the tractor store, seems this should cure my starting problem onec and for all. Anyone out there used the 8 volt battery with there tractor?

Thanks
Bruce




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Mountainman

02-28-2003 11:25:47




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 Re: 8 volt Battery in reply to Bruce W, 02-27-2003 15:23:08  
If you do decide to go the 8 volt route, make sure you reduce the voltage to the coil. My 8N came to me with an 8 Volt battery and I'm certain that was the cause of my (front mount) coil failure.

To repair the damage would have required a new regulator and battery and a generator (possibly unrelated?) so I went to 12 volts.

I would never use 8 volts on anything unless it came that way from the factory.

Like the others have said, fix the problem rather than trying to mask it.

N - joy.

Mountainman...CA

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Rich in N. Minn

02-28-2003 07:42:18




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 Re: 8 volt Battery in reply to Bruce W, 02-27-2003 15:23:08  
If I can give any adevice of which I have strong feelings and personal experience, it is this DO NOT GO WITH THE 8 VOLT. I did and it was a major mistake but it was how I found this board and the great advice of people like Clause, Dell, Zane and many many others. So if you want to install an 8 volt, I have one you can have for free and it has only 5 to 10 hours of use. Problem is it is way up here in NW Minnesota.!!!!!

Have a g

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MikeC

02-28-2003 03:39:20




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 Re: 8 volt Battery in reply to Bruce W, 02-27-2003 15:23:08  
Along with the good advise from the the others, I would also do a compression test on the engine. Make sure you are at the 90# minimum on each cylinder. A tired engine can be hard to start.



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Fast Ed Ohio

02-27-2003 22:28:24




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 Re: 8 volt Battery in reply to Bruce W, 02-27-2003 15:23:08  
Guess Im just lucky, put an 8 v in my old 8n 3 years ago starts great in cold weather, I had to charge it once ( left the switch on ) used 6 volt charger, no other problems other than a burnt out headlight, when the time comes I will go back to a 6 volt HD battery just because everyone says you have to .



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Mike

02-28-2003 03:51:14




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 Re: Re: 8 volt Battery in reply to Fast Ed Ohio, 02-27-2003 22:28:24  
Fast,

I'd think your system is over charging a bit, you can set up a regulator to charge an 8 volt, but if you keep your tractor tuned properly you won't need the 8 volt battery.

Mike



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Bob

06-04-2003 18:46:21




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 Re: Re: Re: 8 volt Battery in reply to Mike, 02-28-2003 03:51:14  
I have a neighbor who has a Ferguson tractor with an 8 volt battery. He really would like to buy a charger for it and can't understand why places that sell 8 volt batteries don't seem to offer chargers for them. Does anyone know where he can get one?



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soundguy

02-27-2003 20:54:29




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 Re: 8 volt Battery in reply to Bruce W, 02-27-2003 15:23:08  
As others have pointed out.. best to stick with 6v.

Clean those connections.. make sure you have goot thumb sized battery cables, and check your battery... voltage, load test, and specific gravity.. if the battery is 5+ years old.. may be time for a new one. Tractor and heavy equipment batteries generally take vibration a bit better than automotive batteries. Places like TSC sell a decent 6v battery ( traveler I think ).

A tuned up ignition also helps... real copper core spark plug wires, not the resistor wires... new corect type and gapped plugs... new/clean rotor and cap.. pints if needed.. and if you replace points.. do the condensor too...

Check coil for good connections too... pigtail may need to be stretched on te frontmount jobs..check connections at resistor ( if needed ) and the ignition switch... many times old ignition switches are the cause of problems.. easy to check with a jumper wire to shunt across ignition switch if you suspect it is bad or intermitant.

Remember to check connections at voltage reg if present.. especially ground reference.. and connections at genny or alternator.

hope this helps.

Soundguy

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Claus

02-27-2003 15:29:47




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 Re: 8 volt Battery in reply to Bruce W, 02-27-2003 15:23:08  
Yes, and they usually wish they did not. The problem is with the charging of the bat. The voltage regulators are not made to be adjustable although one who knows what they are doing may get lucky and change the regulator voltage. I suggest you troubleshoot and repair the problem of sluggish starting rather than reinventing the wheel. Higher voltage is only a coverup of problems.
Happy Motoring
Claus

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Claus

02-27-2003 18:35:24




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 Re: Re: 8 volt Battery in reply to Claus, 02-27-2003 15:29:47  
Check the specifications section on the following site. It gives the voltage drops in the starter circuit. You could determine with this information the cause of the sluggish starting. i.e. bad starter brushes, resistive connections..etc..
Happy Motoring



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