The rocker arms are milled from 1144 stressproof steel. The process for making the rockers is the same I have used before on this engine using soft jaws for the second side machining operation.
The first side is machined:
The soft jaws are set up, and ready for the second side to be machined:
The second side finished, still clamped in the vise.
Last op on the rocker is to drilled and tap for the lash adjustment screw:
The finished rockers:
The rocker shafts to mount the rockers are made as well:
For the adjustment screws, I modified socket head cap screws by machining out the hex with a ball end mill.
The adjustment screws installed:
Thank you for visiting my shop.
If you have any questions about the engine or any of the other projects, please leave a comment below, or email at yogisworkshop(at)yahoo.com
For other projects from the shop, please check out the Projects Page in the top menu.