When Steve Kelly wrote his deep-dive on Pontiac's new experimental dual-overhead-cam Hemi V-8 for the October 1970 issue of HOT ROD magazine (actually two engines!), performance was a moving target.

What would they say down at the station if you turned up with one of these? The NHRA tech line? DOHC 4-valves-per-cylinder 389 was developed in 1963, SOHO 421 a year later. Both units began life with ...

A detailed guide focusing on tearing down a Pontiac V8 engine, specifically removing the RollMaster timing chain and camshaft as part of the rebuild process. US ally suspends purchase of 20 F-16 jets ...