by Donnie Hurt | May 1, 2015 | OPERATIONS
CURRENTLY TRENDING As I visit machine shops around the state, I notice some common trends. Shops have downsized to some extent over the years. Many of the shops no longer want to assemble engines. They claim that they don’t want the liability of assembling engines...
by Donnie Hurt | May 1, 2015 | ASSEMBLY
DIESEL HEAD STUD RETORQUE In our shop we do a variety of cylinder heads for late model diesel trucks. On jobs like 6.0 Fords, 5.9 Cummins, or 6.6 Dura- max our customers often install ARP studs as in improved fastener. ARP highly suggests that the studs be retorqued...
by Donnie Hurt | May 1, 2015 | CYLINDER HEADS
TOOLING PARADISE I work on everything from large HD agricultural to motorcycle engines. My excessive amount of seat and guide tooling had to find a home. I built this rotating tool holder out of 3 pieces of heavy wall PVC. The inner tube is attached to a pipe, which...
by Donnie Hurt | May 1, 2015 | CAMSHAFTS & VALVE TRAIN
MOCK LIFTERS For hydraulic lifter applications, I speed up the process for checking pushrod length, pre- load and geometry by using “solid” lifters. I disassemble a lifter and load it up with either epoxy or Plaster of Paris to position the plunger in a permanent...
by Donnie Hurt | Apr 1, 2015 | CAMSHAFTS & VALVE TRAIN
NOISY, BUT NOT ALWAYS DEFECTIVE VALVE LIFTERS Hydraulic valve lifters are probably the most precision machined part inside any engine. It does not take much to cause one to operate incorrectly. In this case we are not referring to lifter failure due to metal to metal...