Quote:
Originally Posted by Z OH 6
That's strange. I've never seen a set of higher ratio rockers arms affect the idle that much. You typically gain a little more lift with higher ratio rockers but its typically the LSA of the camshaft that affect idle sound.
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I’m admittedly not knowledgeable on cam specs but I’d never heard of it either. And the interesting part is that the stock cam in that car is also very friendly to forced induction. That’s why I thought might be worth asking for the LT4
For info:
708 Stock Viper Cam:
Duration at .006” lift intake = 288 deg
Duration at .006” lift exhaust = 296 deg
Duration at .050” intake = 220 deg
Duration at .050” exhaust = 230 deg
Intake Center line = 117 deg
Angle between lobes = 114 deg
Intake lift at lobe = .321
Exhaust lift at lobe= .321