Ok thanks, just kinda learning as I go here. Im just hesitant to make huge changes as my truck is not only daily driver it gets crazy good mileage. Believe it or not 18 mpg, I know I know, I have checked dozen times. So to stay on track, 1.84 valves +.100 bronze guided, surfaced - .040. I will give the cam a shot you mentioned as mine has many miles on it. I was looking at the 250 head today. I pulled the valves to kinda look for cracks. Anyways, there is a small area surrounding the exhaust valve seat. I think its where they hardened the head for unleaded gas. It surrounds the seat by about 1/8. Will I need to cut the head for a new exhaust seat or just open it up for the 1.6 and blend it?
