A conversion will not help you with your points problem.
Either buy Good points from Blue Streak or Echlen or convert to electronic ignition.
If you go to EI make sure you put them in right or hire someone to do it.
Too many clueless people try to DIY and screw them up. Then they come on here whining and cussing and give EI a bad name.
EI done correctly will will allow you to never mess with your distributer again.
As for a 12V convversion, here are some of the advantages:
*12V spins your engine much faster and starts it better in all conditions, especially if it is very cold or if the engine has marginal compression.
*12V with an alternator is more reliable and uses a solid state VR instead of an old fashioned system of points, coils and electromagnets to regulate the charging voltage.
Solid state is better, more accurate, more dependable.
*12V is more forgiving of dirty contacts on/in the entire wiring harness.
*12v is the industry standard and has been for 50 years. *12v allows you to run sprayer pumps, flashing lights, winches and a host of other modern accessories on your tractor.
*12V lights are brighter.
*A 12v alternator will easily put out more amps than an old fashioned generator and vr.
*An alternator will charge at an idle. Generator generally will not.
*A 12v system is safer. For example, Most people know how to jump a 12v negative ground car, truck or tractor. Not many people know how to safely jump a 6v positive ground tractor with a 12 battery without something exploding in their faces or getting themselves run over.
*6v requires bigger, harder to find wires and cables throughout the system. *12v batteries are to be found just about anywhere, are cheaper than 6v and are usually maintenance free.
*12v lets you use electronic ignition easily.
* And last but not least, is this your only 6V machine? What kind of battery is in your boat, your RV, your classic car or even your 4 wheeler or snowmobile if you have them? Why have an odd ball battery that can't jump or be jumped by anything else?