Rebuild Break In

[Sieg]

Originally Posted by intocarss

O'L GW IS 110% CORRECT on both posts,, we never wore head gear in our dyno room though, our dyno ran through mufflers and we could hear if something is a miss. I/we first pre oil it then would fire eng, look for leaks, set and check timing, adj carb if needed..... break in cam (if not a roller) Then let her rip

I like to vary my RPM's when breaking in a cam between 1800 -2300 for about 20-25 mins and remember to check your valve lash before and after the break in. Good luck, have fun and have Rev take some video please

Originally Posted by intocarss