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 | OPERATIONS
DO YOU ASS-UME? You’ve heard the expression about “assume”? It will make an “ass” out of “u” and “me”. Here’s a simple tip that goes back to marketing 101 – Don’t assume your customers know what they need. And, don’t assume they know what you know. The best way...
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 | Sep 1, 2017 | TOOLING
CART HEIGHT=BENCH HEIGHT=HAPPY BACKS In our shop we seem to constantly be moving cylinder heads around. First from arrival at the door to a tear down bench, then to the jet wash, to a storage shelf, to benches to be worked on and then to benches to be assembled. We...
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...
