The camshaft has to be one of the most complex subjects in car tuning. But what do cams actually do? We’ll be answering that and everything else you need to know about them in this guide. Well, to put ...

A camshaft uses egg-shaped “cams” to open and close engine valves (one cam per valve), while a crankshaft converts “cranks” (the up/down motion of the pistons) to rotational motion. Located in the ...