Need Advice for Adjustable Cam Pulley (DOHC Engine)

[Slowboy]

272 should be maximum for stock engine if not you will not have enough vacuum in idling, also your engine will stall at low rpm unless you willing to go for above 1k at idling. My opinion get 264/272 for response cam.

 

[szeeonn]

hmm .. ? i wonder where to get high cam that is Intake lower Exhaust Higher
Custom made ? any recommendation ?