by Donnie Hurt | May 1, 2016 | CYLINDER HEADS
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...
by Donnie Hurt | May 1, 2016 | TOOLING
POLISHING ARBOR I made an arbor to polish piston pins and pilot bushings that can be chucked up in my lathe, or even in a drill chuck. First I cut off the head of a long carriage bolt. This one was 3/8” coarse and will fit in a small drill chuck. Then added a nut,...
by Donnie Hurt | Apr 1, 2016 | PISTONS & RINGS
FEELING RAIL GAP It can be very difficult to check end gap on oil ring rails or gapless ring rails. I opened up the gap on a top ring of the appropriate bore size and squared it in the cylinder with a tool made from a scrap sleeve. Just set the rails on the top ring...
by Donnie Hurt | Apr 1, 2016 | CYLINDER HEADS
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...
by Donnie Hurt | Apr 1, 2016 | CYLINDER HEADS
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...
