One of the advantages of hydraulic lifters is they don't normally require adjustment other than the initial installation. However, there may be situations where the ...

Regular readers know we often run several Xtreme Energy hydraulic-roller camshafts from Comp Cams on our 347 dyno mule. Besides running well, those cams are good choices for a test engine because many ...

When it comes to cams and Two-Valve power improved motors, things can be tricky outside of bolting on some sort of power adder. Trying to get more power from a naturally aspirated 4.6L Two-Valve can ...