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 | 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 | OTHER SHOP WORK
HEAD SHOP AS A MILL When we need to plunge mill or drill an irregular object, such as when removing a broken bolt or stud in a motorcycle part, we use our seat and guide machine to hold and locate the part. The air clamp, air float and roll over fixture make short...
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...
