Tech Notes
Engine Builders: Everyone who works with cars or trucks is familiar with the terms Torque and Horsepower. But do you understand the difference between the two and can you explain it to your customer? It’s important to have a sound understanding of both and the ability to comprehend what defines each measurement of output. By
Tech Notes
Engine Builders: The AERA Technical Committee offers the following information regarding an engine oil leak for 2005-2007 Toyota 3.5L 2GRFE engines. Some 2GRFE engines may display evidence of a small oil leak, located on the rear side of Bank 1. The source has been identified as unused side and end bolt holes in the right
Tech Notes
Engine Builders: At Quaker State Research, the folks working on the technical hotline answer hundreds of lubricant questions every day. Let’s answer a few more obscure questions you may or may not have heard before. Question: Can engine oil actually impact my fuel economy? Answer: Yes, but in the range of a few percent. Believe
Performance Cylinder Sleeves
In the performance segment of the automotive aftermarket, young enthusiasts often think only the latest is great enough for their vehicle. Thanks to the prevalence of computerized engine management systems, some might believe that high-tech guarantees high horsepower. Yesterday’s technology? No way will it find success on the street or strip. However, engine builders know
University of NW OH Hosts Engine Builders During Technology Conference
More than 250 engine builders learned about the most recent developments in engine building and toured the University’s soon-to-be completed High Performance Technology Building. Seminar topics included: Cylinder Head Welding; Proper Piston Ring Filing; OHC Cylinder Head Disassembly; CNC Machining; Dynamometer Technology; Performance Engine Technology; Crack Detection; Honing for Performance; Cylinder Head Performance. “This was
Tech Notes
Engine Builders: The AERA Technical Committee offers the following information on an exhaust noise for 2002-2004 GM 4.2L engines. This noise may be coming from under the vehicle or from the engine compartment. The cause of this noise may be from one or two known sources. The first location that may be causing this type
Machine Maintenance
Is your shop a safe place to work? Good question, isn’t it? What do I mean when I say is your shop safe? Let’s put everything into perspective. One injury could potentially cost you everything. Lest you think I’m being overly dramatic, consider this … while working on an important job your top machinist gets
Shop Line
I have found differing torque values published for the 1.8L Toyota engine. What are the correct torque values? The AERA Technical Committee offers the following information regarding main bearing bolt torque specifications for 1998-2003 Toyota 1.8L 1ZZFE and 2ZZEGE engines. There has been some confusion as to the correct torque value for these engines. Some
Revised oil pan gasket and installation kit for 1986-2001 Ford 3.0L VIN U engines
Engine Builders: The AERA Technical Committee offers the following information regarding a revised oil pan gasket and installation kit for 1986-2001 Ford 3.0L VIN U engines. The issue of continued oil pan leakage has prompted this new installation kit. A service oil pan gasket and a new service oil pan gasket kit has been released
LPG Conversions: Renewed Interest In The Use Of LPG (Liquefied Petroleum Gas) And LNG (Liquefied Natural Gas)
The recent move to clean up inner city exhaustemissions has resulted in renewed interest in the use of LPG (LiquefiedPetroleum Gas) and LNG (Liquefied Natural gas) as motor fuels.These fuels are almost pure propane with a little butane present. Tax incentives are being offered to encouragefleet operators to convert to gaseous fuels and more vehiclesare
Valve Stem Seals
Valve stem seals play a critical role in controlling valve lubrication as well as oil consumption. If the seals do not fit properly or are not installed correctly, the guides may be either starved for lubrication or flooded with oil. Either way, the engine is going to have problems – and you’re going to have
Ford’s 4G Alternator: IAR Series & The New 4G
When one considers the Ford IAR series of alternators,then examines the new 4G alternator, it seems that Ford went overboardto correct all the problems with the IAR series. The IAR series was designed for rapid assemblyand disassembly with plenty of snap-on connectors and mountinghardware. With this design approach came problems, particularlywith the burnt out B-S-S
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