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Importance of Manually Dressing Crankshaft Grinding Wheel

Mount the wheel dresser on the grinder table. Bring the rotating grinding wheel up close to the diamond and start the coolant flow. Never dress without coolant. Frictional heat buildup can cause the diamond to come loose or separate from its mount. Lack of lubricating properties, along with cooling, abrades the diamond needlessly. Best results

The Engine Repower Council to Host Engine Rebuild Demo at AAPEX

Live rebuilding of a Chevrolet R07 NASCAR Spring Cup engine will take place at 10 a.m. and 2:30 p.m. at booth #4081 in the Sands Expo Center. Co-sponsored by ERC and MAHLE Clevite Inc., and endorsed by the Production Engine Remanufacturers Association (PERA) and the AERA Engine Builders Association, the demo features two Hendrick Motorsports

Diesel Engine Oils: Today and Tomorrow

Why are diesel engine oils different than any other engine oils? The Lubrizol Corporation, the world’s largest oil chemistry supplier, just created an excellent website (www.hddeo.com) that explains diesel engine oil composition very well. Diesel fuel combustion (or incomplete combustion) is accompanied by the production of soot (unburned carbon). Prior to exhaust emissions legislation this

Racing Rotating Assemblies: Cranks, Rods and Pistons

Building a performance engine requires assembling the optimum mix of rotating components that are compatible with the block and heads, properly matched with each other, and balanced to precise tolerances. The easiest way to get the right combination of parts is to buy a complete rotating assembly from a supplier who offers such kits.  Most

Shop Success: Good Planning Is More Fruitful Than

It’s a fair question, but it misses the point. Focusing on one ­secret ingredient instead of the entire recipe won’t lead to success. If I baked a cake and you asked me what was in it and the only thing I told you was sugar, you couldn’t replicate the cake. Yet, that’s the approach many

Inside Flat Tappet Camshaft and?Lifter Technology

Roller cams have a couple of advantages over traditional flat tappet camshafts: they reduce friction, and they can be ground with more aggressive cam lobe profiles to make more power. You can also swap roller cams without having to replace the lifters. But the roller cam’s main disadvantage compared to flat tappet cams is its

Engine Builder Shop Solutions: August 2011

Securing Cam Gears Years ago it came to my attention that the replacement aluminum cam gear used on 4- and 6-cylinder GM inline engines has a tendency to walk off the camshaft. I wanted an easy way to resolve the problem, and here is what I came up with. I grind a notch about 5/16?

Succession Planning For Family Businesses in the Aftermarket

Family businesses face a unique set of management challenges stemming from the overlap of family and business issues. • Only 40% of family owned businesses survive to the second generation, 12% to the third and 3% to the fourth. • Family owned businesses account for 60% of total U.S. employment, 78% of all new jobs

Cleaning Cylinder Heads and Blocks

The cleaning process should remove all of the dirt, grease, oil, rust, scale and carbon deposits that have accumulated over the years. With painted castings, the old paint also has to be stripped away so the surface can be repainted. Even if you’re working with brand new castings, a final cleaning is still necessary after

Running To Stand Still: Natural Gas and Diesel Power Generation Markets

Turns out, many engine builders are experts at building for applications that don’t move as well. And there’s a wide-open market for power system units that either run an electrical generator or power another system such as an irrigation pump through a power take off (PTO) shaft. While there are a number of large, established

Sprint Car Racing World To Converge on Knoxville Raceway in August

Steve Kinser.  Gary Wright.  Jon Stanbrough.  Donny Schatz.  Terry McCarl.  Levi Jones.  Jason Meyers.  Jason Johnson.  Brandon "Bud" Kaeding.  Sammy Swindell.  Shane Stewart.  Damion Gardner.  Joey Saldana.  Wayne Johnson.  Tracy Hines.  Danny Lasoski.  Brian Brown.  Chris Windom.  Greg Hodnett.  Paul McMahan.  Daron Clayton.  Fred Rahmer.  Brooke Tatnell. These are just some of the American, Australian

Automakers Push Back on EPA’s E-15 Decision

Twelve automakers sent letters to Rep. James Sensenbrenner (R-Wis.),warning that the blend may damage engines and fuel supply systems inthese vehicles. Several of them have stated that the use of E-15 mayvoid the vehicle warranties. Sensenbrenner immediately sent a letter to EPA administrator LisaJackson, stating that “E-15 is a product that simply does not belong

Schenck ‘Balancing Workshop III’ Set for August 12 in Chicago

The one-day session is intended for those new to the balancing process, experienced personnel looking for a refresher, or those who may have specific needs to be addressed.   After a brief introduction of balancing concepts, students will learn how to address different (unique) rotor configurations in one or two planes to improve unbalance reduction

Performance Lifters, Pushrods and Valve Springs

Low friction roller lifters replaced flat tappet lifters many years ago in stock production engines, but there are still plenty of hot flat tappet cams bumping the valves open in vintage muscle cars, street rods and race cars. Even NASCAR is still using flat tappet cams to actuate the valves. The advantage of flat tappet

U.S. Consumer Confidence Rises According to RBC Consumer Outlook Index

Buoyed by a pause in the increase of gas prices and a sense that the job market is improving, U.S. consumer confidence has hit its highest level since the beginning of the financial crisis in September 2008. As measured by the RBC Consumer Outlook Index, consumer confidence rose to 46.7 for June, up 3.8 points

Understanding Spark Plug Heat Range

Depending on the engine modifications you’ve made, you’ll need to take a few extra factors into consideration before settling on the right spark plugs. These factors include spark plug seat design, thread length and diameter, and reach. One of the most important—and most misunderstood—factors in choosing aftermarket spark plugs is the heat range. What is

Cloyes Testifies in Favor of Free Trade Agreements before House Small Business Panel

OnApril 6, Trevor Myers, president and CEO of Cloyes Gear and ProductsInc., testified before the House Small Business Committee on behalf ofhis company, as well as the Automotive Aftermarket Suppliers Association (AASA) and the Motor & Equipment Manufacturers Association(MEMA), in support of pending U.S. Free Trade Agreements with SouthKorea, Columbia and Panama. His testimony was

Flat Tappet Camshaft Break-in Procedure

Note: New lifters must be installed with your new camshaft prior to Installation: • Check the compatibility of the camshaft with the remainder of the valve train components (valve springs, rockers, etc.) • On race type, high spring load applications, use lighter load springs or remove the inner spring (dual spring application) just for break-in.

Evolving Crankshaft Designs and Applications

In the early days, a crank didn’t have to be very sophisticated or strong because most engines were an inline design, and the loads and speeds were relatively low. Fast forward to today. The evolution in engine technology, power and performance has led to a whole new generation of performance crankshafts that are a mechanical

Consumers Already Cut Spending Because of Rising Gas Prices

With the national average fuel price at approximately $3.20 per gallon atthe time the survey was conducted (Feb. 25-28) another 18% say theywould reduce spending if gas prices climb to $3.75 per gallon.Forty-one percent place their pain threshold at $4 per gallon or more. “There has been quite a lot of debate about the impact