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...
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...
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...
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 Torvinen...
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...
Connecting Rod Pin Bore Repair Ever need to repair a Ford, Chrysler or any other full-floating connecting rod where the pin bore is now larger than the O.D. of your new bushings? I use acid-core solder as a filler and bonding agent. Heat your connecting rod’s small...