I started cleaning the valves and ended up soaking them then using the drill press and a brass wire wheel in a hand drill to finish the job. This actually worked pretty well and took about 2 days of soaking and 5 minutes per valve to clean them up. I used a piece of rubber hose to keep the valve...
Valve lapping is important to do when you are building your motor if it is higher miles. This will allow you to get a nice tight seal to the valve seats which is important to compression. Spent like 4+ hours lapping the valves. It took forever but I wanted this to be done right and I did not...