Bruiser ("Ground & Pound," October '09) seemed well at home in the upper rpm. A closer look revealed a less-than satisfactory issue with valve float and subsequently a loss in power. It's been known ...
Most '80-and-earlier 2.5L engines use the same 3/8-24x7/16-2O "bottleneck" positive-stop rocker arm studs as Pontiac V8s of the same era. An inexpensive adjustable valvetrain conversion that retains ...