Ford pushrod V8s were used in the second half of the 1900s, but they were phased out by Modular engines that were more ...

Ford fans do not argue about much more fiercely than they do about pushrod versus modular V8s, because that split defines not ...

GM just wiped internal references to a rumored LS6 V8 and 2027 C8 Grand Sport, but leaks, RPO codes and audio clips all point ...

GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its ...

Stellantis designed its new internal-combustion Hurricane engine to meet current and expected emissions regulations, which means it eventually could replace the aging pushrod Hemi. By 2030, Stellantis ...

Setting valve lash has nearly become a lost art. Hydraulic lifters are so prevalent and so efficient that many enthusiasts resort to the old way or doing it—engine running, oil spewing everywhere. Let ...