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Levers and Gears: Anatomy of a Dial Indicator

Mechanical dial indicators (comparators) are characterized by a sensitive contact, a measuring system that transfers and magnifies the mechanical motion, and a means of indicating the measurement.   The American Society of Mechanical Engineers (ASME) has the responsibility of preparing standards which encompass the inspection and the means of measuring various dimensional characteristics, as well

MAHLE Clevite Inc. Introduces Over 60 New Part Numbers

The part numbers are available for a range of light vehicle and heavy duty applications. New part numbers are available for the following products:   Air Filters, Oil Filters, Oil Filter and Pan Gaskets, Engine Camshaft Bearing Sets, Connecting Rod Bearings, Crankshaft Main Bearing and Thrust Washer Sets, Engine Pistons and Piston Pin Bushings, Catalytic

MME to Launch Brand New 460-plus Cleveland Block in May

Named Titus, deliveries are expected in May 2012 and the first new Cleveland blocks will be available in aluminum and then in cast iron. These newly designed blocks with deck heights of 9.2-in. and 9.5-in. to accommodate more than 460 cid, feature stronger webbing, splayed mains and a host of other improvements. MME, a consistent

Dodge V6, V8 Spark Knock, Oil Consumption from Intake Gasket Oil Leak

SYMPTOM/CONDITION: An engine intake manifold plenum pan gasket oil leak may occur on some Dodge V6 and V8-style engines. The oil leak is internal to the engine sono external oil leakage will be present. Two symptoms of this oil leak condition may be present. Customers may complain that the vehicle experiences an engine spark knock

Recent Advancements in Racing Oils

The racing oil community has been very busy this past year.  This is much more satisfying to an old “oilhead” who has seen years where there were no new racing oil developments. Racers and engine builders traditionally focus more on improvements in hard parts, because that’s what they understand best. However, recent successes in racing

‘Focus’ On Correct Blocks For Ford 2.0L Build Success

In fact, the block choices per application remind me of the "Mounds" and "Almond Joy" candy bars: sometimes you feel like a nut sometimes you don’t; only in this case sometimes you have crankcase ventilation open and sometimes you don’t. So let’s take a look at what we have found to this point and see

Sunnen, MAHLE Clevite to Host Tech & Skills Conference Feb. 25 in Glendora, CA

AERA says engine builders can gain industry knowledge and network with other people with the traveling expense of going to a national trade show. AERA has teamed up with a regional host to offer opportunities in different regions of the country that is closer to a number of shops. Along with the outlined technical programs,

Champion Racing Oils to Sponsor Hearn in Super DIRTcar Nationals

The season starts for Brett Hearn during the Super DIRTcar Series Big-Block Modified portion of the DIRTcar Nationals on Feb. 22-25 at Volusia Speedway Park, FL. Hearn’s big-block 467 cid has over 850 horsepower and weighs only 2,500 lbs. including the driver.     Hearn, who lives in Sussex, NJ, is a winner of a

Good, Bad or Ugly, Customer Service is Your Key to Success or Failure

Automotive-related issues continue to rank in the top ten ofconsumer complaints received by the Better Business Bureau.  Even ifyou don’t deal directly with retail customers, the way you handleANY customer complaints can go a long way in determining your successor failure. Particularly these days, in the economy we are facing, you needevery customer you can

AERA?Offers Tabletop Displays For 2012 Tech & Skills Regional Shows

By teaming up with a regional host, the conferences make it easier for engine builders and rebuilders to attend a show and meet with vendors. All AERA?members, as well as non-member shops from that particular region of the country are invited to attend. Industry manufacturers, suppliers and vendors can reserve a table to display products

Evolution of File-to-Fit Ring End-Gap Theory Results in Changes

Common signs of butting end gaps are: scuffed ring faces, damaged rings and cylinders, and/or shiny areas on the butt ends of the ring. Using recommendations from ring manufacturers, engine manufacturers and your own personal experience is how most engine builders arrive at the desired end-gap. Current thinking regarding the end gap on most performance

Babcox Media Acquires Automotive Video Inc.

AVI’s broad range of educational products for technicians and video production capabilities adds to Babcox Media’s portfolio of media properties and marketing services and will enable the company to extend its reach farther throughout the automotive aftermarket, tire, performance, collision, commercial trucking, engine building and powersports markets. Automotive Video Inc., based in Fort Myers, Fla.,

Benefits of Water/Methanol Injection

Some companies such as Snow Performance and AEM are now offering easy to install water/methanol injections systems that are available for naturally aspirated or forced induction gasoline and diesel applications. These systems inject a roughly 50/50 mixture of methanol and water into the engine using a high-pressure pump. This mixture allows for more ignition timing,

Making Combustion Chamber Molds

Ross Pistons recommends the following process to make a combustion chamber mold: • Clean both the chamber and head surface; chamber must be free of all dirt, oil and grease, and valves must be installed. • Place cylinder head properly on the block using no head gaskets. Snug cylinder head bolts or studs with dowel

MAHLE Clevite Introduces 59 New Part Numbers

MAHLE Clevite says it introduced 59 new part numbers in December for various types of bearings, cylinder components, filters, gaskets and piston rings. The part numbers are available for a range of light vehicle and heavy-duty applications.   New part numbers are available for the following products: air filters, cabin air filters, engine camshaft bearing

Identifying Six Common Fastener Failures

While few engine builders have access to sophisticated analysis equipment, a standard Bausch and Lomb three lens magnifying glass will generally show 98% of what you want to see. Several of the photos have been taken utilizing a scanning electron microscope (SEM) and are presented to simply illustrate typical grain configurations after failure, according to

HPBG: Racing Piston Technology

Munro had a problem with melting his cast pistons so he kept trying to develop his own out of melted down GM pistons. Today’s piston makers use a little more modern techniques, but the principle is the same: try, test and improve. On the outside, pistons tend to look the same. They are round slugs

HPBG: Don

In that discussion we hashed over the disparity in coefficients of expansion between cast iron and aluminum (that caused a revolution in head gaskets around the time of the Cadillac 4.1L). We discussed surface conditions and how that affects gaskets and scrub. We discussed gasket coatings and how they remain plastic while not scrubbing and

Understanding

The light turns green and the truck bellows out a plume of black smoke and in a flash all you see are the taillights. You’re struck that diesel trucks have really made an improvement over the past fifteen years. It’s amazing when you realize that a Corvette would have a hard time keeping up with

Valve Seat Selection, Finishing & Materials

Over time, erosion and corrosion can eat away at the metal resulting in compression leaks, elevated valve temperatures and sometimes valve failure. If a valve seat insert doesn’t have the correct amount of interference fit in the cylinder head, it’s possible the seat may loosen up and fall out damaging the valve, head and piston.