Might bring the batt up front & set it under the car and wire it directly to the starter as I like to jack up the front real high to help w air pockets and some other tricks that I'm anal about after that much investment. that'd eliminate the voltage drop issue if that's causing the prob. Here's a 5 minute read on ring break in/seal that you might find interesting. "break in secrets" at www.mototuneusa.com