The Stovebolt Site Forums The Shop Area The Electrical Bay 6V Generator to 6V Alternator

You can also get some commutator stones to clean the commutator on the starter and genny. That alone should help with the cranking.

I did a little write up HERE

For 6V connectors you should also be using some dielectric compound and all the connections. It helps prevent corrosion and gives a much better ground.