Unique buttons: piston pin retention designs for Pro Mod and big turbos
By Freddie Heaney: Denver Colorado: Gibtec Pistons has announced unique piston pin retention buttons. Their latest design for Pro Mod and big turbo racing engines incorporate a radial locking feature. The advent of the piston button and its subsequent popularity came...
Two ball-peen hammers and one hard surface: How to make oil pans, transmission and hydraulic pans leak proof
New Jersey native Ray Bohacz is a respected engine builder. Though he relished the challenge of preparing race-winning engines, his earliest memories were linked to farming and its many aspects—particularly its mechanics. Recently he has combined these interests by...
Rebirth of the 8.1L Vortec and advancement of Merlin IV
By Titus Bloom: Raise questions about the prospects of GM’s 8.1 liter V8 Vortec engine block and you will quickly learn that currently there is no direct-replacement block available. The engine has been extinct since 2010. But at the 2016 PRI show held in...
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