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 | Sep 1, 2017 | TOOLING
DON’T LEAVE ME HANGING When I build big cubic inch engines, I never leave all that weight hanging from a few bellhousing bolts. A screw jack under the front oil pan takes a lot of stress off of the engine stand. Place a piece of wood or heavy cardboard on top of 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...
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 | TOOLING
DOOR TO DOOR CRANES I carefully organized the machines in my shop to utilize a variety of Jib Cranes which I custom built, specifically for this shop. They are care- fully designed to clear doors, ceilings and other cranes. I welded stops on them to limit the swing...
