Quote:

The exhaust valve is moved .050 towards the wall to allow a .100 larger intake. Center punch the piston down the guide at 10 degrees before or after. Use a compass to sweep the reliefs you have to see where you are at. Set compass at half valve size. If you have B-1 pistons in it you may not have to do much to the reliefs if the piston manufacturer was a little generious with his cutter. Frank



Its the exhaust that moves... thanks for that info...
I thought it was the intake... I sold my B1M/C heads
so I dont have them anymore to look at