MOVE YOUR SPOT Sometimes when I first spin up a crank, the correction area is off the counterweight. Instead of grinding up by the rod throw, try adding weight to the opposite end if there are balance holes already. I taped in some flat disc plugs until the “spot”...
POLISHING THE BIG END Starting to see more and more cracked (powdered metal) connecting rods these days. After checking to make sure the size is correct, I use a plateau brush with a few drops of oil to clean up any rust or dirt. If you have a finished set of rods...
INDICATOR ADAPTER Most Co-Ax indicators have a 3/8" or 1/2" diameter stem. Instead of wasting time closing the lathe chuck to hold the indicator and then more time opening it back up to hold a larger diameter work piece, make a simple stepped adapter with a precision...
SEAT SPUD For machining custom valve seats, in addition to the expansion arbor, I have a simple aluminum spud and lock. I can quick machine it down for whatever seat I need. It started out as a 1-foot-long piece of round stock, and I just keep drilling and tapping as...
POWER ADJUSTMENTS To save time, we use a half inch cordless drill to power our stroke and counterweight adjustments on our crankshaft grinder machines. Adney Brown Performance Crankshaft Ferndale, MI DECEMBER, 2021
SET UP BLOCKS Keep your tape measure in the toolbox when doing set ups that you repeat time and time again. Make some gauge blocks or fixtures, whatever it takes to save time setting up your machines. Randy Torvinen Torvinen's Machine Menahga, MN DECEMBER, 2021