Tech: Engine Builds

What is core shift and why is it detrimental?

How a clever concept remedied misalignment in competition engine blocks – By Archie Bosman: No other engine deficiency would have irritated racers, particularly professional drag racers of the last century, like core shift. A bitter source of anguish, they would describe it in a way not easily forgotten. “We...

Hammerhead Hemi peaks 928hp: 427ci SB Ford

By Freddie Heaney: The sound of the dyno approaching 8,000rpm was almost ear splitting. It was the first Friday of June and sitting in an open wooden-framed space at Charlie Pepper’s engine shop in Auburn, near Atlanta, Greg Brown’s innovative Hemi heads on a Man O’ War 427ci small-block...

Motown LS: Unfamiliar hybrid

By Sam Logan: What’s the motivation for adapting LS cylinder heads to a small-block Chevrolet engine? Why not just go out and buy a used LS-series? It’s a modern power unit; it’s bestowed with high flowing heads, it’s readily available and it’s affordable…all the benefits you could desire. Except...
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