Finished control arm / clevis opening with filing. Then, change of pace: Working on prepping my 3.0L cylinders for installation on my short block Corvair. This is preparation for painting. Was concerned about the step area along the cylinder skirt and asked William Wynne about it. The gasket in that area is RTV green, about a 1/16 bead. No worries there. The areas near the step that are machined out near the stud channels are there so the cylinder does not vibrate against the stud in operation.