I have the 340 whiplash cam in my car sounds awesome as far as performance I had a comp cam and lunati both cams around 480 lift the whiplash cam is 549 lift because I am running 6.1 rockers out of all the cams i have run the whiplash has had the most power out of any of them prolly not going to change it keeping my compression down to 9 to 1 the only downside to the cam is it did not have enough vacuum to run my power breaks ! I had to run my breaks though hydro boost off my power steering to stop the car .