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 - 12-Volt Conversions for 4-Cylinder Ford 2000 & 4000 Tractors - by Tommy Duvall. After two summers of having to park my old 1964 model 4000 gas 4 cyl. on a hill just in case the 6 volt system, for whatever reason, would not crank her, I decided to try the 12 volt conversion. After some research of convert or not, I decided to go ahead, the main reason being that this tractor was a working tractor, not a show tractor (yet). I did keep everything I replaced for the day I do want to restore her to showroom condition.
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