Posted by RN on April 27, 2012 at 13:40:03 from (184.60.4.1):
In Reply to: 8 volt battery posted by ralph jerla on April 27, 2012 at 13:11:28:
8 volt batteries wer the answer to cold Iowa and Minnesota winter starts. Many of the 6 volt generator voltage regulators could be adjusted fairly easy to put out 9 volts instead of 7.2/7.8 used to charge the 6 volt battery and oould maintain full charge on 8 volt battery for starting. Coils could usually take the slight extra current no problem, headlights also as both components meant to work when generator was putting out 7+volts, 8 volt battery at low level of charge still at upper end of 6 volt standard set generator. If you want to go to 12 volts, remember that alternators usually charge at 13.2 volts-low acceptable rating for Delco s10- to 15 volts- and that will require resister in coil circuit/12 volt coil and 12 volt lights or voltage reducer in circuit. Check you generator output- sometimes the generator was NOT adjusted to put out more than 7.5 volts and the 8 volt battery slowly dropped cfanking power- but the extra cell gave more plate area and reserve so helped in cold starts awhile, got a bit of trickle charge more than the 6 volt battery. IHC Ms and VW bus"s, up to 1968 beetles also got the 8 volt batteries in cold areas. My opinion? If it is working and starting, you don"t need 12 volts for night work lights and/or radio then keep it 8 volts battery with up adjusted regulator, rest of components are still within design margins. RN.
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