The following is a comparison of three dyno tests performed at Edelbrock. Test 1 is the baseline test of the 1.94/1.50-inch-valve 882 cast-iron heads. Test 2 is the retest of these heads after ...

Can there be any doubt that bolt-ons are the lifeblood of our hobby? Granted, parts that take a bit more time to install-things such as pistons, camshafts, and stroker cranks-can lead to big power ...