We contemplated drilling our stud out, but the fact that we have aluminum cylinder heads and this vehicle had a control arm smack in the way of the drill, we opted for the welding route.

Aftermarket cylinder heads are available in aluminum and iron construction ... or stock exhaust pattern can be drilled. These B1BA MC heads can be considered specialty race heads outside of ...

If all you have are lightweight aluminum cylinder heads, it's still more expensive ... Although fancy shop equipment, such as chop saws and drill presses will speed up the build process, any ...

The drill bit must be parallel to the hole ... See All 32 Photos 11.Spark plug holes can be problematic, especially in aluminum cylinder heads. Whenever you have to chase and clean up spark ...

CM 785 is equipped with a cylinder-driven aluminum feed system. The drill rig is equipped with variable speed-cooling fan controls, load-sense hydraulics and engine auto-throttle for energy saving ...