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
EASY PARTING LINE DEBURRING When I torque & check connecting rods for size, the surface with the bolt is hard to deburr first. I had some files drilled with carbide bits to .010” over 3/8”, 7/16” & 1/2”. Now it’s an easy task to deburr and looks great. Randy...
by Donnie Hurt | Dec 1, 2015 | CYLINDER HEADS
THE MYTH OF THE NEW BARE CASTING There may be some misconception in the automotive machine world with regards to new cylinder head castings. Over the years new car manufacturers have been very kind to our industry. It seems that every couple of years a new problem...
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 | 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...