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...

VALVE SEAL REMOVAL For removing the top hat valves stem seals on heads with bucket holes hard to reach, I use stripped sockets the right size, with an extension. Knock it to grip and use a battery-operated ratchet to spin the seals out. It takes only a second per...

MODIFIED MIC To quickly and easily measure the lash caps on late 2.0L & 2.5L Subarus with chain drive timing, I disassembled a 0 - 1” micrometer and turned down the measuring side of the spindle so that it will fit inside the lash caps. Having this measure makes...