Re: 8volt/6volt battery

Posted by John T on October 31, 2006 at 08:23:56 from (66.244.90.5):

In Reply to: 8volt/6volt battery posted by n8terry on October 30, 2006 at 21:23:37:

Terry, as far as "advantages" of an 8 volt batery, at that higher voltage it takes less amps to expend the same watts in the starter as a 6 volt battery. Therefore, you may get by with an even lower CCA rated battery at a higher voltage. The more lead n acid n plates (usually corresponds to most weight) in the battery with the more resultant CCA or Amp/Hrs the better she can crank REGARDLESS of what battery you use.

HOWEVER Im NOT a fan of the 8 volt system as the batteries are more rare n expensive plus (depends on type of charging system regulation) you may not keep the battery fully charged quite as well. It"s obviously true they have the capability to crank the starter motor faster which can improve starting, but I still see it as a band aid approcah for a hard to start tractor. If one insisits on converting voltages, Id go ahead n convert to the more standard 12 volts n be done with it. Also at 8 volts unless you add some external series ignition ballast, the points will burn up a bit quicker and a 6 volt coil could run on the warm side.

At 6 volts you can improve cranking if you use 00 gauge battery n starter n ground cables also.

John T

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