Dusty, If I read your post correctly you run a 12V battery in your 6V system and you have not converted it to a 12V system, correct? I've always wondered if you could and what would happen if you did. My truck turns over slow (not as slow as Josh's) and always wish I could make it spin faster. If simply dropping in a 12V battery would fix my problem and not hurt anything I'd do it today!
Spot