by Donnie Hurt | Apr 1, 2024 | TOOLING
A SIMPLE REMINDER Even well-regarded brand name dial indicators typically have a +/- accuracy equal to 1X to 2X their resolution and can read +/- 0.0005″ after 2 to 3+ revolutions. For example, a Mitutoyo 0.5″ range, 0.0001″ resolution indicator has...
by Donnie Hurt | Mar 1, 2024 | CYLINDER HEADS
ASSEMBLY LUBE I keep a container of engine assembly lube at my cylinder head work bench. A good dab of assembly lube holds spring cups and or shims in place during cylinder head assembly. Too many times the shims came off and got mixed up, so I started doing this and...
by Donnie Hurt | Mar 1, 2024 | OTHER SHOP WORK
CLEAN INSERT INSTALL I made this tool to install slotted drive thread inserts. This is for when you want to run them upside down for a cleaner install, and to recess them. The alloy DOM tube is turned down to fit the tapped hole. Drive them in, and simply loosen the...
by Donnie Hurt | Mar 1, 2024 | OTHER SHOP WORK
EASY SET SCREW This is an easy way to align a pulley or sprocket, when drilling and tapping for a set screw on the key. Suspend the pulley (or sprocket) on a length of key stock, supported and by vise jaws. Tighten the vise to secure the pulley. Center over the keyway...
by Donnie Hurt | Mar 1, 2024 | CAMSHAFTS & VALVE TRAIN
PREVENTABLE LIFTER CLATTER The lifter oil feed hole on common GM LS lifters is offered in more than one orientation. Both are functionally correct and interchangeable. The difference is in the location of the oil feed hole. Both should be installed such that some oil...
