The rebuild kit went smoothly until I broke one of the isolators. Thankfully there is a automotive electrical specialty shop across town. I picked up a new one for next to nothing as well as a new bolt and external isolator. The starter had definitely been messed with there was a 3/8-16 nut cross-threaded onto the positive bolt. I opted for ny-lock nuts over traditional ones, also repacked the bearing with good grease. Judging by how filthy the brushes in the motor were I am sure there will be some type of difference in starting.
LarryB's products are very good as well, I would not hesitate to buy them again.