Tackling High Performance Work
Obviously, there are many questions to be answered before a shop enters or expands its activities into the high performance arena. There are moderately successful performance-oriented machine shops scattered from one end of the nation to the other. There are also a significantly smaller number of VERY successful shops. Typically, the difference between the former
Performance Small Block: Chevy Engines
Small block Chevy engines long ago became mainstays in both thetraditional and high performance marketplace. So many of themhave been rebuilt over the years, and so much has been writtenabout the rebuilding process, it would appear that nothing moreneed be said. But the small block engine has changed over the years and so haveconsumer preferences
Perspective On Using CBN Versus Polycrystalline Diamond (PCD) Cutters
In your June Shop Line you offered Jerry Lawson’s of DCM Tech, Inc., perspective on using CBN versus poly crystalline diamond (PCD) cutters. Have any other manufacturers voiced their opinions? In PERA’s May 1996 Current Concerns publication, Andy Rottler of Rottler Manufacturing made the following observations on CBN versus PCD cutters:Rottler says that due to
Grinding Techniques: In Thousands Of Years, The Basics Of Grinding Haven’t Changed
Grinding is one of the oldest methods known for shaping and sharpening objects. It was first used in prehistoric times to make weapons and other tools by rubbing wood, stones, bones and eventually metal against hard, abrasive rocks. In thousands of years, the basics of grinding haven’t changed. We’re still rubbing an abrasive against metal
What Is The Recommended Surface Finish
Shop Line, Automotive Rebuilder, July 1996 Q A In the Production Engine Remanufacturers Association’s (PERA) May 1996 edition of Current Concerns, Ed Keibler of Sunnen Products Co., St. Louis, MO, says that the typical Ra finish on cast iron should be 60 to 110 Ra. On aluminum cylinder heads it is much smoother – typically
Cam Timing Chain Marks On 1976-’88
The Automotive Engine Rebuilders Association (AERA) offers the following information regarding cam timing chain marks on 1976-’88 Isuzu 1.8L and 1.9L engines. Confusion may begin when reading the service manual information referencing marked plates on the cam timing chain. Apparently, some aftermarket timing chains don’t have the marked plates which indicate the correct positioning for
Making Power From Big Block Fords
As noted last month, the first part of a big block Ford power program is to select the appropriate components and machine them properly. Part two entails coordinating the camshaft and valvetrain with an engine’s intended use, and then bolting everything together using proven high performance techniques. According to high performance Ford specialist Norm Wizner,