REMOVING DRY SLEEVES Removing dry cylinder liners by pressing them out can require a lot of setup time. Using your boring bar, offset the centering with a .030 feeler gauge on one finger. Line up the offset so you can view your cut. Set the bit by letting it slide out...
GROWING ALUMINUM We live in a time where aluminum blocks with cast-in sleeves are common. We build several dozen Gen III and Gen IV GM LS type motors per year. We finish our cylinders .001” tighter on the aluminum block engines to compensate for the additional growth...
DIAL BORE GAUGE HOLDER Boring Bar Stands don’t have any place for holding your dial bore gauge. I bought a magnetic spay gun holder from a paint and body shop supply store. I stuck it on my stand as you can see in the picture and now that gauge is right where I want...
CLEANING KEEPERS When cleaning valve train parts it is so easy to lose the tiny keepers. We always keep any extra keepers we have in case of losing one, but there’s always that one head that you don’t have extra keepers for. We purchased a very inexpensive item on...
POLISHING ARBOR I made an arbor to polish piston pins and pilot bushings that can be chucked up in my lathe, or even in a drill chuck. First I cut off the head of a long carriage bolt. This one was 3/8” coarse and will fit in a small drill chuck. Then added a nut,...
BMW UNDER PRESSURE One of the most difficult heads to pressure test is the BMW DOHC 6 cylinder. It is nearly impossible to plug the water outlet on the side of the head, until now. A “T handle drain plug” from a boat is the perfect size, and easy to install and...