PLASTIC PRESSURE TEST PLATES I started making custom pressure testing plates out of 1” thick HDPE high density polyethylene (same material as kitchen cutting board). This stuff is cheap, machines like butter and can be worked like wood. I cut it with a table saw and...

CLEAR COAT IT TO SHOW IT After magnafluxing, cover the magpowder in the crack with a couple coats of clear paint to retainer the powder. This works much better for showing the parts owner, you won't have to magnaflux the part again for them to see the problem. Terry...

CARBIDE SCRIBE My head porter and I developed this tool to keep all valve job bowl cuts identical. Very simple to make and quickly scribes exactly where to make cuts. Scribe is made from a carbide point from pocket metal scribe. It is epoxied into a drilled hole in...

MODIFIED VACUUM TESTER We all use vacuum to test valve to seat seal. I use a handheld Mityvac in conjunction with an electric vacuum pump. By taking the vent cap off top of Mityvac, I was able to hook the pump directly to it. Now I have the ability to apply, hold and...

IT’S ALL BALL BEARINGS THESE DAYS When checking volume on large chambers or ports, I fill them with precision steel ball bearings. It requires less time to fill and less fluid. Simply calculate the volume of the ball you’re using and multiply by the number added. Add...

HOMEMADE HEAD BENCH I fabricated an easy to clean steel topped cylinder head bench. Wrapping over the edge allowed for drilling holes, then inserting adjustable pipe holders. I can easily position any passenger car or light truck head for various work performed, from...