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 ...
Any gearhead worth his or her salt knows that whether it's a SOHC, DOHC, or OHV engine, the camshaft is considered the brain of a four-cycle internal combustion power plant. The camshaft's profile ...
Hot rod builds a mouse trap and tries to catch a rat. Originally published in the August 1998 issue of Hot Rod magazine. To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring ...