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...
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...
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...
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 to...
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...
ROTTLER HM3 HONE REPAIR Here is how you can repair the Hone head since Rottler does not service the head any longer. You can use a Regis part number RSI218. You will need to drill out the top of pinion to remove the expander nut. Then cut the top of the shaft and...