BMW UNDER PRESSURE One of the most difficult heads to pressure test is the BMW DOHC 6 cylinder. It is nearly impossible to plug the water outlet on the side of the head, until now. A “T handle drain plug” from a boat is the perfect size, and easy to install and...

TAKE ME TO THE PILOT Just about everybody uses either dead pilot or live pilot valve seat forming tools, and once in a while when cutting large diameter seats chatter will occur. We have found that an application of STP or LUCAS engine oil treatment on the pilot will...

LIFTER COLLAPSER I manufactured a tool to collapse lifters including Toyota, Volvo and other bucket lifters. I made a frame for a bottle jack out of 1 1/2” and 2” square tube. I used some valve springs to raise the base when the pressure is released. I manufactured a...

LET IN THE LIGHT(ER) When vacuum checking 4 valve per cylinder heads, its hard to tell if its both or just one valve that’s leaking. Use your vacuum tester and one of those long inexpensive BBQ or candlestick lighters. Hold the lighter close to the valves and the...

TWO HAND TIPPING I’ve found an easy way to set the valve stem height on heads. I get the two end valves to spec, then install light springs and retainers. This way I can hold the ruler across the top of the tips to adjust the others without needing 3 hands. Randy...

HD GUIDE REPLACEMENT On older Harley Davidson Pan, Shovel, Ironhead and many other cylinder heads, flanged guide removal can lead to damage to the host bore in the head. Many times the guide is distorted and will tear up the bore as it passes back through. To stop...