Rebuilding the Chevrolet LT1 Engine
Compared to the 1991 Chevy 350 L98 with TPI, the LT1 made 20 percent more horsepower, got better fuel mileage, and had a much broader torque band with 90 percent of its peak torque available from just over 1,000 rpm all the way up to nearly 6,000 rpm. GM Powertrain accomplished all of this by
Core Cleaning: A Closer Look at the Issues and Regulations That Are Driving Today’s Market
On the list of hot button issues in the engine rebuilding business, the disposal of waste usually takes a backseat to supplier consolidations, market share position, profitability and other topics. On the other hand, the amount of time, effort and money that rebuilders spend, all of it non-productive, in meeting regulatory requirements can be significant.
Cleaning Aluminum
"Ten years ago, when there wasn’t that much aluminum, people were scared," said Mike Wigert, sales manager of spraywasher manufacturer LS Industries. "They didn’t know how to regulate their ovens, they didn’t know which chemicals to use, and they were tarnishing their aluminum parts, and probably ended up hand cleaning a lot of them," he
Heads Up: Rebuilding Aluminum Cylinder Heads
In our last article (Automotive Rebuilder, July, 1999 issue page 54) we discussed how to check valve stem to guide clearances and the methods used to replace valve guides and seats. Camshaft clearances and techniques used to bring clearances to within specification were also covered. In this article we will cover the final assembly of
Rebuilding the Chevrolet LT1 Engine
Although it shared many common dimensions, looked much the same and even had a few common parts, it was totally redesigned to provide more power with lower emissions and better fuel economy. Compared to the 1991 Chevy 350 L98 with TPI, the LT1 made 20% more horsepower, got better fuel mileage, and had a
The Aqueous Alternative: Cleaning Is The Cornerstone Of Every Rebuilding Operation
Cleaning is the cornerstone of every rebuilding operation, be it a small one or two man shop or a large scale production facility. Dirt, oil, grease, carbon and other contaminants must all be removed from components that are being processed so they can be inspected, machined and restored to like-new condition. Additional cleaning may also
Message From Incoming PERA President Jim Ormsby
Sometimes we need to exceed even our own expectations. That’s the message from Jim Ormsby, incoming Production Engine Remanufacturers Assoc-iation (PERA) president and current general manager of Franklin Power Products, a production engine remanufacturer (PER) located in Franklin, IN. They’re words that all PERA members should take to heart if they wish to re-energize shrinking
1999 Machine Shop Of The Year Award Winner: Metric Automotive Engineering Ltd
Each year, the staff at Automotive Rebuilder magazine recognizes one machine shop that displays business practices that go above and beyond the norm. This year, along with input from the Engine Rebuilders Association (AERA), we have selected Metric Automotive Engineering (Pty) Ltd., from Germiston South, Republic of South Africa. Metric was chosen from numerous entries
Performance Valve Jobs Are Easy With The Right Tools And Specifications
It is easy to do a performance three or four angle valve job, but it is very difficult to find a shop to properly do one for you. Well, I will explain to you the proper way to do a great performance valve job either using stones or pre-shaped three or four angle carbide
Crankshaft Grinding Wheels: Manual Dressing Of The Grinding Wheel Is An Important Factor
Manual dressing of the grinding wheel is an important factor in producing satisfactory work on your crankshaft grinder. The wheel must be dressed each time it is placed on the machine, even though it may not have been removed from the wheel center. Mount the wheel dresser on the grinder table. Bring the rotating grinding
Rebuilding Toyota 3.0L V6 Engine
In 1988 Toyota introduced its first V6. Most of the information that follows applies to the 3.0L version used in Toyota’s truck applications. The 3.4L is still fairly new to the aftermarket at this point. 3VZ-E – 3.0L SOHC V6 – ’88-’95 The 3VZ-E was also introduced for the 1988 model year on Toyota 4×4
Rebuilding The GM Quad 4
The Quad 4 had four valves per cylinder, tuned intake and exhaust manifolds, no distributor, no plug wires, lightweight rods and pistons to reduce shaking forces, and a crank with eight counterweights that was designed to reduce noise, vibration and harshness (NVH) and bearing wear. It didn’t have an A.I.R. pump or an EGR system,
Bio-Remediation-Managing Munching Microbes
The practice of using microbes to break down and clean up hazardous and unwanted chemicals has been used for many years. However, most people were first introduced to the practice of using oil digesting microorganisms in 1989, when television news broadcasts showed microbes being used in the cleanup of the Exxon Valdez spill, which deposited
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
Cleaning Equipment Maintenance
The saying, "An ounce of preventionis worth a pound of cure," definitely holds true when itcomes to the operation of cleaning equipment in rebuilding shops. According to David Zehren, product manager,stationary equipment for Georg Fischer Disa Goff, Inc., Seminole,OK, routine maintenance of cleaning equipment impacts all rebuilders,no matter how large or small. "The issue of
Crankshaft Polishing: Make Sure The Journals On The Crankshaft Are Properly Polished
Today’s high output, close tolerance enginesare more dependent than ever on quality remanufacturing procedures,durable parts and precise machining. One of the best ways to assurelong bearing life in today’s engines is to make sure the journalson the crankshaft are properly polished. The oil film between the journals on the crankshaftand the loaded portion of the
Rebuilding the Buick 3300
The Buick 3300 was introduced in 1989 as areplacement for the 3.0L that had been around since 1982. It hadthe updated block with on-center bores, just like the revisedversion of the 3800 that came out the year before, along withseveral other changes and improvements. This engine was installed in many of the "A"bodied cars including
Engine Installation Opportunities
Much has been reported recently regarding theneed to grow the engine rebuilding and remanufacturing markets.We’re all aware of the Automotive Repower Council (ARP) whichwas recently formed to increase customer awareness on the alternativesto buying or leasing a new vehicle. And Automotive Rebuildermagazine has provided a number of features and columns dedicatedto ways to expand the
In Pursuit of Quality: Tom Vecchi, Engine Supply, Inc. incoming PERA president
Tom Vecchi, president of Engine Supply, Inc.,Phoenix, AZ, and incoming president of the Production Engine RemanufacturersAssociation (PERA) hasn’t spent his entire business life in theengine rebuilding market. However, since acquiring Engine Supplyin 1988 with his brother-in-law, Len Joy, who is chairman of theboard, he’s learned enough to know that rebuilding engines isnot an easy way
Washington Way: The Activities Of ACC
Americans have a love/hate relationship withtheir motor vehicles. We love the freedom and mobility the automobilegives us. We love the feel of a good car on the open highway andhow it handles on a challenging stretch of road. And we love thestatement that a car makes about who we are and what we want. On