BEARING CRUSH AND VERTICAL CLEARANCE One of the most important factors in engine bearing design is a proper fit between the bearing and housing. Except for thrust washers, nearly all bearings are an interference fit. This means the bearing is slightly larger than the...
REMOVE THE WEB We have noticed through the years that many previously bored blocks come into our shop that have not had the web at the bottom of the cylinders relieved even with the bottom of the cylinders. Depending upon the bore’s oversize this can be a potential...
AMC DISTRIBUTOR GEARS MATCHED SET Where they may work if replaced individually, the failure rate increases greatly if you don’t replace both the distributor gear and the camshaft drive gear on an AMC V8 as a matched set. There are at least 3 versions of gears, each...
RV VALVE SPRINGS Most of our rebuilds are 70-80’s V8’s. Quite often our customers want a camshaft upgrade. The so-called “RV” cam is often re- quested. The grind most everyone uses was designed for a SB Chevy using 1.5 ratio rocker arms. This same grind is offered for...
CLEANING BUCKET STYLE HYDRAULIC LIFTERS Unlike their flat tappet cousins, bucket style hydraulic lifters can often be reused if inspected, validated and cleaned. The problem is taking them apart. I developed this hammer tool to separate the plunger from the body....
SPARK PLUG TUBE-ECTOMY When removing spark plug tubes from heads like the Chrysler Magnum’s, it is important to not damage the tube if you want to reuse them and have a secure fit. These heads have usually been in service for a while and will have a rusty bond to the...