Re: cam specs
That lift at the cam lobe multiplied by two on ef rocker gear is quite good. Sounds sensible enough the exhaust is a bit tame though.
480 to 520 lift is where you want to be for a mild road car. 540-560 if you have a manual and want to rev it.
Lot more to cams than just lift though!
AUII Auto wagon 4.0L InTech Pacemaker PH4480 extractors, 2.5" exhaust, JMM DEV3HL Cam Unichip 144rwkw. 1/4 mile firstname.lastname@example.org