Repair Of Worn Cam Bearing Housing Bores For Detroit Diesel 11.1l And 12.7l Diesel 60 Series Engines
Engine Builders: The AERA Technical Committee offers the following information regarding the possible repair of worn cam bearing housing bores for Detroit Diesel 11.1L and 12.7L diesel 60 Series Engines. These engines use an overhead camshaft design with seven individual location precision bearing inserts. Over time, the bearing bores may become worn oversize or out-of-round,
1997-2002 GM 4.8, 5.3, 5.7 & 6.0L VIN V, T, G & U engines
Engine Builders: The AERA Technical Committee offers the following information for 1997-2002 GM 4.8, 5.3, 5.7 & 6.0L VIN V, T, G & U engines. These engines were manufactured with two different design connecting rod bolts beginning in 1999. Either design bolt, when used in pairs and properly tightened, may be used on a single
Revised cylinder head installation procedure for 1997-2002 GM 5.7L VIN G engines
Engine Builders: The AERA Technical Committee offers the following information on a revised cylinder head installation procedure for 1997-2002 GM 5.7L VIN G engines, Figure 1. This revised procedure should be used any time the cylinder heads are being installed and supersedes information found in earlier published service manuals. Previously published technical bulletin TB 1624
Chrome Plated Intake Valve Stems For 1993-2001 Navistar Dt408, Dt466/466e And 530/530e Engines
Engine Builders: The AERA Technical Committee offers the following information on chrome plated intake valve stems for 1993-2001 Navistar DT408, DT466/466E and 530/530E engines. The revised intake valves are introduced as a product improvement for increased durability and are suggested for use any time the cylinder head is serviced. To reduce the valve stem wear
Enhance engine performance and increase durability at higher horsepower output, Detroit Diesel 11.1L and 12.7L premium engines (60-series, 1998-2002 models)
Engine Builders: To enhance engine performance and increase durability at higher horsepower output, Detroit Diesel 11.1L and 12.7L premium engines (60-series, 1998-2002 models) use a unique forged steel piston and connecting rod assembly. The premium engines can be identified with the letters "PK" in the fifth and sixth position (example: 6067PK28) of the model designation.
Improving engine balance on 1992-2001 GM 6.5L VIN 7, F, P, S and Y diesel truck engines
Engine Builders: The AERA Technical Committee offers the following information on improving engine balance on 1992-2001 GM 6.5L VIN 7, F, P, S and Y diesel truck engines. This information should be considered any time this engine is remanufactured. While some owners of these engines have accepted the original driveability condition as normal, others have
Ford 302/351 W Roller Cam
In 1994, Ford started using a roller cam in the 351W. It
General Motors / Chevy 191/3.1L
When this engine was used in the plastic mini-vans, it came with cast iron heads and the old, original, carbureted, non-H.O. cam. This cam was used because the reduced lift and overlap gave it a smoother idle. It
Toyota 20R Engine
Toyota has built numerous four cylinder engine families over the years, but one that has been in use for quite a long time is the R-series. The R-series has been the main motor used in almost all Toyota pick-up trucks, as well as the rear-wheel-drive (RWD) Celica and Coronas. The 20R was introduced in 1975
Software Solutions For The Shop: Job Tracking Programs and More
Although computers began to make their way into the automotive aftermarket in the early to mid-1970s, only recently are rebuilders beginning to realize the benefits of shop management software for their businesses. One example of how shop software improves shop productivity can be found with job tracking programs. Job tracking allows managers to see the
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