Camshaft bearings are more or less taken for granted. We knock out the worn pieces, press in a new set and assume everything will end up the same as it originally was. This is intended to explain why this assumption is not necessarily true and why we…
Engine Pro Technical Committee with thanks to Mahle Aftermarket Inc.
Cavitation erosion is often found in diesel engines on the exterior walls of wet cylinder liners. The amount of erosion and decay will vary from engine to engine and may also vary from cylinder to cylinder. Vertical strips or patches of decay often form outside the…
ENGINE PRO TECHNICAL COMMITTEE with thanks to HOWARD ENTERPRISES
Honing motorcycle or power sport cylinders can be difficult. The thin bottom portion of the cylinder often protrudes 1”-3” below the cylinder assembly and if this thin/bottom portion of the cylinder is not supported during the honing process, the hone tends to push the cylinders outward instead of…
Dave Matton D and D Auto Machine Bloomington, MN
We have found that due to the length of the head bolts and the fact that they finish approximately 1-1/2 inches from the mains, considerable bore distortion will occur if torque plates are not used when finish honing the GM LS series engines. We…
Sylvain Tremblay Les Ateliers de Moteur Competi-tech Inc. Quebec, Canada
Why Torque Plates Should Be Used On FE Ford Blocks Some claim it is not necessary to torque hone FE Ford blocks. In fact, I am the only one of many shops in my area that even has an FE honing plate in my collection. Don’t believe that an FE…
Jim Feurer Animal Jim Racing Lacon, IL
Cylinder Sleeve Flange Failures May Go Unnoticed Cylinder sleeve flange failures may go unnoticed if the sleeve body stays in position, but if it is pulled down the cylinder, the result can be catastrophic. Cylinder sleeves are usually made from centrifugally cast iron, which makes for good wear resistance, but…
Scott York Advantage Engine Parts Lynn, IN