First build disaster!
Yesterday I start my first rebuild, 355 sbc. Everything was going good till it started to make a detonation sound regardless of timing. The temp gauge said 210 but the engine was so hot I couldn't even touch it. It started to puff white smoke out of the right side exhaust pipe. Today I pulled the head an found water in number 7. There is also oil on the runner side of all the intake valves....how do I know I installed the valve seals right? Please help!