by Donnie Hurt | Dec 1, 2015 | TOOLING
CBN SHARPENING We sharpen our CBN bits in our mill using our diamond coated carbide valve seat tip sharpener. We hold the CBNs in a 1/2” collet and turn the mills head parallel to the table, then set the carbide sharpener on the mill table. You aren’t applying any...
by Donnie Hurt | Dec 1, 2015 | CRANKSHAFTS & CONNECTING RODS
RESIZE CRACKED RODS? YES YOU CAN There is a way to recondition the so-called “cracked” rods, or powdered metal connecting rods. I use a media made of coal slag that can be found at most home improvement stores. You have to blast the 4 mating surfaces on the rod and...
by Donnie Hurt | Nov 1, 2015 | TOOLING
What’s the Best Penetrant? A recent online article provided some information on various penetrating oils. A subjective test of all the popular penetrates with the control being the torque required to remove the nut from a “scientifically rusted” environment resulted...
by Donnie Hurt | Nov 1, 2015 | CRANKSHAFTS & CONNECTING RODS
Save The Piston, Remove The Pins Before removing press-fit pistons that we plan on reusing, we immerse the piston in a coffee can of motor oil. You only need enough oil to submerge the piston. We use synthetic oil for the EP and high temperature qualities. We then...
by Donnie Hurt | Nov 1, 2015 | ASSEMBLY
The Importance of Timing Sprocket Alignment When assembling an engine, one of the most overlooked items is the timing chain sprocket alignment. The upper and lower gears should be installed and alignment checked with a straight edge. I have seen them as far as .020 ̋...