Alright, its time to get 'old-school' on this flat head V-8 and grind the valve seats. The block won't fit in the seat & guide machine machine - so it's back to the grind! See how John Edwards @ Costa Mesa R&D Automotive Machine Shop performs this anciet technology. (949) 631-6376 Don't forget to 'Click' and SUBSCRIBE. A HD version of this video is available, call for info.