Just at first glance the Edelbrock cam is rated at 500 RPM higher than the Comp cam -- but otherwise they're pretty similar.
Cams also depend on SO MANY OTHER factors -- head flow etc. A lot of times people get a cam that will flow more air than their heads can handle!! LOL
As far as the exhaust system goes --- A 2 1/2" systems is generally rated to handle LESS than 500 HP.....
A 3" exhaust system is rated at 700HP plus.
The Edelbrock cam says that using their matched parts will create 387HP.... and a Torque number of 439 Ft lbs.... nice and torquey that's for sure.
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