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
Valve Guide Repair Options
One thing you can almost always count on when rebuilding a cylinder head is worn valve guides. The guides experience a lot of wear because of the constant friction between the guide and stem. To make matters worse, positive valve seals on late model engines prevent the guides from receiving much lubrication. Side forces on
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,
Lane Parts Co.: Many Rebuilders Are In A State Of Transition
It seems that many rebuilders are in a state of transition. Whether it’s due to changing ownership, technology, products or markets, almost all machine shops and engine rebuilders are facing increasing competition in an increasingly consolidated market. Lane Parts Co., Eugene, OR, Automotive Rebuilder’s 1996 Machine Shop of the Year, is no exception. This Northwest