by Donnie Hurt | Jan 1, 2016 | CYLINDER HEADS
HD GUIDE REPLACEMENT On older Harley Davidson Pan, Shovel, Ironhead and many other cylinder heads, flanged guide removal can lead to damage to the host bore in the head. Many times the guide is distorted and will tear up the bore as it passes back through. To stop...
by Donnie Hurt | Jan 1, 2016 | PISTONS & RINGS
MINI GROOVES AND ACCUMULATOR GROOVES EXPLAINED Piston ring second land accumulator grooves provide an area for escaping combustion gases and crankcase pressures, that get past the piston rings, to gather and dissipate. Without this feature, the passing compression...
by Donnie Hurt | Jan 1, 2016 | BLOCK WORK
OLDS BLOCK REPAIR Sometimes the front of Oldsmobile blocks get worn and chewed up by the camshaft flange. This is often caused by additional load from a high pressure or high volume oil pump which makes the distributor work harder and pulls the cam back towards the...
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 | 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...
