Tech: Engine Builds
Oil Leaks, Tuning Issues, and Proper Crankcase Ventilation
By Gordon Young: Is improper control of blow-by gases in your crankcase causing problems in your engine? If any of these questions below sound familiar, then read on. “Why does my engine leak oil? I took care when fitting the gaskets and seals.” “Why do my valve...
Vintage class winner: EMC attracts unexpected 600,000 views
By Alfie Bilk: Jon Kaase has won this year’s Amsoil Engine Masters Challenge Vintage class with a 473ci 1958 MEL (Mercury-Edsel-Lincoln) engine. Exploring the classic turf in distinctive fashion, it was not the first time Kaase had arrived with an unorthodox relic...
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...
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’...
Harmonic balancers: Free advice on selecting them
By Archie Bosman: It’s easy to underestimate the cost of a deficient harmonic balancer. But they can have a profound effect on the fortunes of the able race engine—a natural enemy of crank and bearings. With the engine running, camshafts and crankshafts vibrate...
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...