It is. You can hear it when you run it on the dyno. It sounds quite moderate up to 5800rpm, then you get the VTEC swap onto high cam, and it suddenly gets a deep voice.
Incorrect
Originally Posted by VTec1987
Been covered so many tym with integra vtir motors with dual stage IM
Vtec comes first then secondary butterflies, u can hear it better at 5800 doesnt mean its vtec.
Y dun you hook up a light bulb to ur vtec switch and see when vtec kicks in
Correct
Big cam @4400rpm
Secondary Butterflies@5800 (shorter inlet hence more noise)
Originally Posted by Shraka
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