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Old 07-19-2016, 02:22 PM   #11
Ultramaroon
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Quote:
Originally Posted by Ammunition View Post
Now I'm a bit curious about this as well. My car is an auto (2014), and there is some in-cabin vibration when idling. I'd never notice it, but I installed a Broadway mirror a few months ago (clips onto the OEM mirror) - the mirror is great while driving, but I do notice it vibrating/shaking quite a bit when the car is stopped at a light, etc (which made me curious, as I've mentioned it doesn't happen while driving, which I would think would cause more vibration if it were due to how the mirror is mounted.)
That kind of vibration is normal. Because of the high compression ratio and very light rotating assembly, these machines do reflect back quite a bit of the pulses from the power stroke up through 2K RPM.

When the transmission is engaged at a standstill, the engine has to apply just a smidge of throttle to maintain idle rpm. That's the extra vibration you feel.

OP, if that's all it is for you, no worries. I know Ammo's car well. It's tip top.
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