The curse of the round wire lock

The curse of the round wire lock

By Bertie Scott Brown, January 28, 2015   When a round wire lock, the spring-loaded device that retains the piston pin within the pin towers, comes out while the engine is racing, it releases a fanatical frenzy, a chain of events that most engine builders...

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Nitrous: the race tuner’s biggest challenge

Nitrous: the race tuner’s biggest challenge

By Fergus Ogilvy, February 4, 2015 Starting a competition piston company in the second decade of this century could be a bleak proposition. Finding new customers isn't easy. Engine builders have a stubborn tendency to remain faithful to their existing suppliers,...

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Hydraulic release bearings: operating with the correct gap.

Hydraulic release bearings: operating with the correct gap.

By Alfie Bilk, December 5, 2014 Unlike OEM clutch release bearing mechanisms that operate in constant contact with the clutch diaphragm fingers, high-performance aftermarket release bearings function only when the clutch pedal is depressed. Typically, these release...

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Key changes in high-performance diesel pistons

Key changes in high-performance diesel pistons

Written by Alfie Bilk September 8, 2014 Mentor, Ohio: Wiseco, the eminent high-performance piston maker established in 1941, is launching a new range of diesel pistons for Dodge Cummins, GM Duramax and Ford Power Stroke engines. Using technology that should make a...

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How a clever pump design saves 4 to 6hp

How a clever pump design saves 4 to 6hp

Tumultuous change? Maybe not but KRC has uncovered significant power losses with unique new test equipment By Freddie Heaney, August 1, 2014, Photography Moore Good Ink Kennesaw, GA: Recently, Chant, the engineering authority in electronic-hydraulic control systems,...

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Six helpful tips on four-barrel carburetor tuning

Six helpful tips on four-barrel carburetor tuning

1.) How do I select the right size of carburetor?  Carburetor performance is largely based on the air-speed traveling though its venturis. If they are too big the air speed will be reduced, too small and vice-versa. Probably the best instruction on carburetor choice...

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Competition Connecting Rods – Only the Strong Survive.

Competition Connecting Rods – Only the Strong Survive.

By Sam Logan: Nothing undermines the legitimacy of a connecting rod maker more than a deficient batch of rods. He agonizes constantly about heat treatments, high revs, heavy pistons, heavy pins, the number of race laps between rebuilds, but probably most of all...

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