When I’m porting cylinder heads or otherwise using the dividers, once the size is set, I put a couple witness dabs with a high visibility pen, so I can see if I’ve inadvertently bumped it and changed the setting. It’s a time saver over checking it occasionally...
When you’re grinding Titanium valves, if you want a super shiny finish, grind them with the green wheel and "Mirror finish". Wipe them off before pulling them from the chuck and give them 30 seconds of spinning with a microfiber towel and some Mother's polish. Wipe...
Here’s a way to remove valve seats where it’s not easy to drive them out from the backside. This was from a flathead block. I tig weld three lugs on the seat I.D. This allows a junk valve to slip in past them. Now install a retainer and locks, and with a slide hammer,...
Each machine style, or machinist, has their own bolt mounting system for ridged clamping of the cylinder head to the rollover fixture. Our Winona machine has 2 universal T-handles with 7/16" threaded rod and a fast mount bar it threads into. We have a variety of...
I have found a very quick and accurate way of measuring the spring installed height on DOHC heads that don't have enough room to use a spring height mic. I made a simple but precise piece of tubing on the lathe that I use as a standard. It's important to measure...
ASSEMBLY LUBE I keep a container of engine assembly lube at my cylinder head work bench. A good dab of assembly lube holds spring cups and or shims in place during cylinder head assembly. Too many times the shims came off and got mixed up, so I started doing this and...