by Donnie Hurt | Feb 1, 2025 | CYLINDER HEADS
I had some FE heads with some pretty decent burrs on the valve tips. Instead of slowly turning the valves by hand to file the burrs off, I grabbed an old valve lapping stick and chucked it up in the drill to spin the valves. It went really quickly, and I was able to...
by Donnie Hurt | Dec 18, 2024 | TOOLING
Since we’re always looking for new and better ways to machine, we often have to make tool holders and other items. Locating the raw material or turning down stock is always part of the process. I’ve found that valve stems often have the same size as much of the...
by Donnie Hurt | Dec 18, 2024 | CYLINDER HEADS
Sometimes assembling heads with beehive springs and retainers can be difficult because of their size. I find it easier to use a spring shim that fits the retainer and large enough to fit the spring compressor jaws. Randy Torvinen Torvinen’s Machine Menahga,...
by Donnie Hurt | Oct 8, 2024 | CYLINDER HEADS
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...
