Changing the rocker arms in your C5 or C6 Corvette may not deliver the dramatic results that a cam swap can, but it's a lot less work. And the power increases you'll experience make the change a good ...
There's nothing like testing, testing, testing, when looking for that last bit of power. Of the four possible combinations of rocker arms, all four were practically identical in the lower rpm ranges, ...
The rocker arm employs the use of a fulcrum or pivot to increase the cam lift by a given ratio. That increase in lift is the result of moving the pushrod pivot point closer to the fulcrum. That ...