A while back my friend Bob M and I discussed this very issue. My thought was when using 12 volts on a 6 volt starter (since it spins so fast and engages harder anyway) to lessen such a hard shock on the starter drive (which can be a bit tough on them) you dont really want such a high CCA battery, say use a 500 versus a big heavy honkin 1000 like you would on a 12 volt system and a 12 volt starter. He thought use a big battery but maybe use slightly smaller gauge battery cables when applying 12 volts on a 6 votl starter to reduce some of the higher kick in torque which can be tough on drives.
THIS IS STRICTLY A GUESS AND A SOMEWHAT EDUCATED OPINION but on a Super C with a 6 volt starter Id say a 500 to maybe 650 CCA 12 volt battery will spin her as fast and long as you should ever need and in my opinion a big heavy honkin 1000 CCA is nottttttttttttt needed and could be real tough on a starter drive (Heck even a 500 CCA will cause her to enage fast n harder then normal and still spin real fast)
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Today's Featured Article - A Lifetime of David Brown - by Samuel Kennedy. I was born in 1950 and reared on my family�s 100 acre farm. It was a fairly typical Northern Ireland farm where the main enterprise was dairying but some pigs, poultry and sheep were also kept. Potatoes were grown for sale and oats were grown to be used for cattle and horse feeding. Up to about 1958 the dairy cows were fed hay with some turnips and after that grass silage was the main winter feed. That same year was the last in which flax was grown on the farm. Flax provided the fibre which w
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