Since 12 volts can be a bit tough on some 6 volt starter drives, its typical (for those who aren't electrically challenged lol) to use small batteries and/or too small cables etc to soften the blow and lessen that hard initial engagement since small cables drop excess voltage (I x R drop) and small batteries cant deliver such high currents. IT CAN BE A GOOD IDEA (subject to engine and how hard to crank and temperature etc) IF YOU USE 12 VOLTS ON A 6 VOLT STARTER IN CERTAIN APPLICATIONS (NOT all)
OF COURSE if you have a big engine with decent compression hard to crank, then you need proper size battery cables and a high CCA high capacity battery especially when its cold. Its only for a smaller easy to crank engines when you use 12 volts on a 6 volt starter you might use way too small cables to drop voltage and very small batteries to reduce starter drive damage.
When its zero outside and you have a 6 volt tractor on a fairly big engine YOU DONT WANT 10 GAUGE CABLES AND WIMPY BATTERIES THEN LOL
This isn't rocket science, just common sense and simple physics when it comes to what size cables and what size batteries are needed when you start using 12 volts on 6 volt starters etc and the engine size and compression and temperature all make a difference
FOR SURE desulfating is a good idea and yes it works. In the RV where I have four Trojan T-105 Batteries my Smart 4 Stage charger has an automatic desulfate cycle plus once a year I use my big charge at home to manualy run a desulfate cycle TROJAN RECOMMENDS IT
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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