Thanks for the advice guys! I made a tool several years ago that allows me to adjust the valves with a dial indicator and if I like stuff a feeler gage in there also. Ron you are correct the exhaust valve on my cam wants to be open around half way and then I've got my sweet spot to adjust the intake valve. I never had this problem until I bought the alumium block and I've only got about 50 passes on it and most of those 1/8th mile. I told my wife the other day I should do a leak down test on it just to see how things look. It had 20% and it was pooring out the exhaust. Then I pulled the valve cover and found the valves where open, after I gave it some lash it went down to 5% where it belongs. Dave I think your right I will end up with more lash than what the cam card calls for at least .005 more anyway?