Carbon fiber driveshafts

Setting the template for the foreseeable future? By Bertie S. Brown: Lighter and stronger than conventional driveshafts, the unorthodox carbon fiber units fulfill an even more important role: they are at the heart of traction, attempting to deter any disruption of the... read more

New circle track blocks and useful deck-height guides

By Archie Bosman: Over the years most of us have toyed with the notion of acquiring a desirable engine or two and sometimes, foolishly, we’ve asked the question, “Which one would you recommend?” Of course the inevitable answer comes: “It depends on what you’re trying... read more

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... read more

Seeking permanent end to exhaust gasket leaks?

By Freddie Heaney:   How do you compete on the national stage—how do you rise from obscurity if you don’t advertise? Engine builders do it by word of mouth but for small manufacturers the process is more daunting: expensive and often hit-and-miss if not executed... read more

Testing first small-block Ford Hemi

By Alfie Bilk: If you were seeking a guidebook on how not to carve out a career in motor sport, Greg Brown’s story might be a good starting place. Following two years of studying numerous concepts and with a prototype partially complete, he undertook the daunting task... read more
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