by Donnie Hurt | Sep 1, 2017 | BLOCK WORK
CAM BINDING SOLUTION I use a drill bit extension and a variety of abrasive flap wheels to clean up cam bores and cam bearings to help make more clearance for those camshafts that will not fit or turn. A quick pass through the bores is all it takes. Steve Potz Steve’s...
by Donnie Hurt | Sep 1, 2017 | CAMSHAFTS & VALVE TRAIN
TOP 10 CAM FAILURE CULPRITS 1) COIL BIND-when a spring compresses solid before or during full camshaft lift. 2) RETAINER TO SEAL BIND-the distance from the top of the valve seal to the bottom of the retainer must be greater than the valve’s lift. 3) IMPROPER VALVE...
by Donnie Hurt | Aug 1, 2017 | OTHER SHOP WORK
HELICOIL REMOVAL Sometimes when machining and repairing different things, it is necessary to remove helicoil inserts that have been previously installed. Without any knowledge of how to do this can make a simple repair seem like a complete disaster. From my...
by Donnie Hurt | Aug 1, 2017 | BLOCK WORK
ALIGN HONE ADJUSTMENT At times I have had a main journal that just honed faster than the rest. I cut some .001 shim stock and place it between the stone and journal and give it a few short strokes. The shim stock will stop the honing of that one journal and let the...
by Donnie Hurt | Aug 1, 2017 | CYLINDER HEADS
PICKING UP STEM HEIGHT When working on GM cylinder heads like the LS series, that have a short tip length, you may need to have the valve shortened for correct stem height. The valve tip may set below the retainer. I use my Sunnen cap grinder to remove .020 from top...
