kohler kt17 repower

The frustration has finally set in. So, I'm repowering a 1979 JD317 from a Kohler KT-17 to a Vanguard 18HP. Now, I bought the Vanguard repower kit from Jim's Small engine repair. I've got everything hooked up except the electrical. Yes, I've called Jim three times now. He's been a great help...