The motor had 250,000 on it and I bone head move tried driving thru some deep water when flint flooded to get to work and we'll drown the motor a couple months after that I thought that the car was pulling timing and discovered that I cracked both heads in the valve seat bridges so I decided to do a full rebuild and the cylinders were egg shaped the machine shop told me I needed to go a minimum on 20 over trust email I didn't want to