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2013 Editions

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Alternative fuels such as E85 and biodiesel that were once considered...
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My transition in 1975 from bracket racing a 122˝ wheelbase mid-eleven second, two-ton ’57 Mercury to racing in a low nine-second 99˝ wheelbase, Pinto...
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The LA 318 was a 318 cu in (5.2...
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Every engine project starts with the block because the block is the foundation for everything else that follows.
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My transition in 1975 from bracket racing a 122˝ wheelbase mid-eleven second, two-ton ’57 Mercury to racing in a low nine-second 99˝ wheelbase, Pinto...
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Changing the fuel pressure on an EFI System is an effective method of affecting engine performance and making more power. However, there are many...
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Piston Ring Gapping Tip Some of you may know this ring end gapping tip, but I have never seen it anywhere. Not even in ring package...
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Even the best built and dyno-tested engine will not perform as...
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In December, Roush Yates Engines  (RYE) celebrated its 10th Anniversary and will reset the compass into a new area of the business, but it’s...
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Every engine needs some type of intake manifold to route air into the engine’s cylinders.
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Engine test stands have evolved through development and engineering to help support engine shops, dyno testing facilities and technical trade schools, as well as manufactures. [caption id="attachment_6189"...
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Some would say that one of the criteria for being a “real” performance engine builder is having your own engine dyno.
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Let’s face it, things change. Not only have the prices of gasoline, diesel and motor oils changed in the last decade or so, the...
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When I was just a young pup in the 1960s working on lubes for Shell Research and Development, passenger car motor oils (PCMO) were...
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Jeep 3.8L Oil Pressure Problem Many late model 3.8L Jeep engines are losing oil pressure at the oil pump due to failure of the bypass...

Infusing Software Technology into a Performance Build For years, computer-aided ­design (CAD) has been used in the automotive industry to develop prototypes of body styles,...
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Salvaging Cracked or Flawed Engine Parts through Detection and Repairs Cracks are often blamed as the cause of a head failure. In many instances, the...
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Cab lines aside, smiles were evident People were everywhere. Lines for restaurants, cabs and elevators seemed interminable. Traffic jams in aisles and on the street...
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When it comes to preserving performance parts, it’s the ‘Icing on the Cake’  
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  Choosing the “right” cams­haft is not only the cornerstone of building a performance engine, but also its centerpiece. Choosing a cam can give anyone a...