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...
MAKING THE SEAL ON WET HEADBOLTS & STUDS 40 to 50% of our business is hi-performance boat engines, and the head bolt/stud sealing is critical on these engines. Jet boats use “waste” water from the jet pump to cool the engine and the pressure applied to the water...