by Donnie Hurt | Feb 1, 2024 | BLOCK WORK
LIFTER BUSHING When it comes to installing lifter bushings, heres a couple tips; Always deburr the top and bottom of the host bore, as well as any oil holes that intersect. This will prevent the dragging of material as the bushing is pressed in. A bearing scraper...
by Donnie Hurt | Feb 1, 2024 | OTHER SHOP WORK
THE WIGGLER When using a wiggler to center a mill spindle on a center punch mark or layout lines, many machinists use a pencil to push on the wiggler’s pointer, until it runs true. However, risk of injury occurs when the pointer is pushed a tiny bit too far, and...
by Donnie Hurt | Feb 1, 2024 | CYLINDER HEADS
THE FOUR WAY SLIDE We often times trust our senses. I trust my sense of touch in what I call, The Four Way Slide. The bounce test works, but this concentricity test tells you more. I slide the valve against the seat to the back, right, left, and back towards me. If...
by Donnie Hurt | Feb 1, 2024 | BLOCK WORK
BLENDING CYLINDER SLEEVES In order to blend the bottom of a cylinder repair sleeve to the step, I have found it best to indicate the boring bar on the lower portion of the old cylinder that is left from leaving a bottom step. After installing the sleeve, the ID needs...
by Donnie Hurt | Feb 1, 2024 | DISASSEMBLY & CLEANING
MAKE IT TALLER Frustrated with my dowel pin puller not always working to remove the stubborn deck pins, I will put a few tack welds on an old rocker stud placed on top of the dowel pin. Anything would work, though a length of all thread might be best. Then I take a...
