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,
Obd II Shop : The Sensitivity Of Obd-IISystems Will Present Significant Change For Shops
For nearly 30 years, engine rebuilders were sheltered from the dramatic changes sweeping through the automotive industry. While other shop owners and technicians scrambled to relearn almost everything they knew because of computers, engine rebuilding remained essentially the same. Now, machine shops, custom and production engine rebuilders are faced with relearning virtually everything they know.
Preventing EME
Automotive engines have undergone serious changes in the past few years as they have become lighter and far more powerful. These changes can have significant impact on the cores rebuilders receive for rebuilding. In search of lighter engine components, casting technology which was considered "thin wall casting" in the
Jobber Rebuilt Small Parts Report
Most rebuilders will tell you that the markethas never been more competitive than it is today. Many will alsotell you that the past 12-18 months have been difficult in termsof maintaining their sales levels of rebuilt units. However, although total units sold may be downindustry wide, according to a recent survey of 1,000 jobbers acrossthe
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
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
1998 Market Update – Brakes: The Application Specific Bandwagon…The Buzzword Of The Aftermarket Brake Friction World Today
Many in the brake rebuilding market are getting on the ApplicationSpecific Bandwagon. It’s the buzzword of the aftermarket brakefriction world today. "We’re going to have to be application specific because ofperformance requirements coming out of testing procedures thatthe Brake Manufacturers Council is working on," observesGil Laycock of the Friction Materials Standard Institute (FMSI).As one who
1998 Market Update – CV Shafts
One of the biggest issues still facing rebuilders is the controversyover the pros and cons of grinding CV joints. Though many CV unitrebuilders will tell you it’s getting harder to remain competitiveunless you grind, nobody grinds unnecessarily in this tight marketbecause of the costs of machine work and labor. Craig Russell of Drive Plus, Inc.,
1998 Market Update – Cores: The Consolidation Of The Automotive Aftermarket
Core suppliers are watching the consolidation of the automotiveaftermarket with much interest. After all, many businesses intransition are their customers. But while some core suppliersare not as busy as they’d like to be, most don’t blame the consolidationsof large retailers like Auto Zone and Chief for their troubles.Likewise, many don’t believe that the rebuilder mergers
Machine Shop Market Profile Part II
In Part I of our annual review of the machine shop market, which appeared in our July 1998 issue, we provided average production numbers in 1997 for cylinder heads, engine blocks and crankshafts reported by machine shops. According to our survey respondents, custom engine rebuilders/machine shops averaged 18.29 gas and diesel engines rebuilt monthly during
Machine Shop Market Profile
Interviews conducted with parts and equipmentsuppliers, as well as machine shop owners and custom engine rebuilders,generally point to market demand which has remained flat whenengine production numbers are compared to year earlier figures.Recent survey results of machine shops concerning production year1997 confirm these assumptions. Automotive Rebuilder magazine conducted a surveyof the machine shop membership of
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
Cleaning – Do You Know Where Your Dollars Are?
Cleaning parts in the machine shop doesn’tcome cheaply. According to Automotive Rebuilder’s Machine ShopMarket Profile about 15.2% of engine machining and rebuildingproduction work involves disassembly and cleaning. According torebuilders that we surveyed, disassembly and cleaning accountedfor the highest percentage of total rebuilding production timein the shop. So there can be significant benefits to reducingcleaning costs
Ideal Supply – “Farming” For Opportunities
As the winner of our fifth annual "MachineShop of the Year" award contest, Ideal Supply Co., Listowel,Ontario, can claim a number of "firsts." It is the firstCanadian recipient of our award and, to our knowledge, it is alsothe first machine shop which has obtained ISO (International StandardsOrganization) 9002 certification. About two hours due east of
“Heading” In The Right Direction: Heads Are A Hot Commodity These Days
Heads are a hot commodity these days, but itdepends on the application. Some heads like those for Chevy 350and Chrysler 2.2L/2.5L engines are always in demand, but pricesare low because of the glut of cores that are available for theseengines. Even so, anybody who’s selling heads these days has tohave them. The hot heads are
Labor and the Law
Grit, grime and grease are just a few of theworkplace unpleasantness with which you contend. Employees areexposed daily to hazardous materials such as solvents, paints,cleaning and restoration products, as well as welding fumes. Protecting your employees’ health and safetyis not only the right thing to do, the law requires it. Your failureto be familiar with
Steering A Course Through The Rack Wars: Today’s Market For Remanufactured Rack-And-Pinion
Is today’s market for remanufactured rack-and-pinionsteering units meandering through the doldrums of a mature aftermarket,or is it heading in a new direction that may soon create new opportunitiesfor rebuilders? Some say the worst is behind them. They sayrack prices have bottomed out, competition has leveled off, anda growing number of retailers have come to realize
Cost Accounting In The Shop
Do you feel that your shop has the type ofcontrol over costs, expenses and productivity that it needs tosurvive in today’s market? Do you understand how to calculatethe actual cost of each job that you do and the efficiency thateach of your employees achieves on a daily, monthly or annualbasis? Unfortunately, most shop owners do
Why Parts Get Coated
I never would have believed you could get those kind of resultsfrom a glorified paint job. With those words, another skeptic(in this case, a NASCAR Winston Cup engine builder) had come toaccept the value of special coatings applied to engine components. At the time, such skepticism was not totally unwarranted. Likeany emerging technology, the coating
Building Horsepower Through Dyno Testing
Pick up a copy of any racing-oriented automotive publication andas you thumb through its pages you’ll notice a smorgasbord ofads from engine builders. Most of them will have an assortmentof horsepower figures large enough to rival the national debt. Of course, all the numbers are suspect because, in most cases,they were obtained on the advertisers’