Stroehlman - Without knowing what was involved in your "12V" conversion, we need more info on some related things on your truck. Whats the tooth count on the flywheel???
You can refer to this recently added Tech Tip
Flywheels and Starters - 6 volt vs. 12 volt for help on figuring out what you have as well as help on ID'ing what starter you will need. Let us know more when you've checked the Tech Tip out.
