by Donnie Hurt | Jul 23, 2024 | CYLINDER HEADS
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...
by Donnie Hurt | Jul 3, 2024 | PISTONS & RINGS
When machining threads on a lathe, a “Fishtail” is used to “square” the tool to the part. For external threads, the Fishtail’s long edges are held against the O.D. of the part, while the tool is aligned to fit in one of the...
by Donnie Hurt | Jul 3, 2024 | PISTONS & RINGS
This one may be a little obvious, but maybe not. When checking piston-to-valve clearance, use cold clay and roll the engine over. Then, cut it right down the middle with a razor blade to expose your clearance reference. It’s really easy and accurate to measure right...
by Donnie Hurt | Jul 3, 2024 | CYLINDER HEADS
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...
by Donnie Hurt | May 1, 2024 | ASSEMBLY
Dowel pins can cause problems both removing and installing. Once theyve been removed and the block decked, its time to reinstall them. Giant fingers get in the way and trying to finagle the dowel pin and drive with it with a hammer can be cumbersome. I use a boxed...
