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So yesterday I made the switch to an Invidia Gemini CBE. If I downshift and don't match the revs exactly (NO SRM), I get a brief but loud sound, could
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05-17-2011, 10:26 AM
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#1 (permalink) |
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Join Date: Feb 2011
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Drives: 2009 370Z Coupe
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Invidia Gemini - Noise on downshifts
So yesterday I made the switch to an Invidia Gemini CBE. If I downshift and don't match the revs exactly (NO SRM), I get a brief but loud sound, could be a rattle but almost sounds like grinding.
If I match the revs, I get nothing and its smooth. Anybody else have this issue with the Invidia and know whats causing it? |
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05-17-2011, 10:29 AM
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#2 (permalink) |
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A True Z Fanatic
Join Date: Jan 2011
Location: New York City
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maybe the exhaust is shaking a little as you downshift, thus you are hitting the crossmember as the exhaust vibrates/moves....
just an idea.
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2014 Triumph Thruxton 900 2013 Fiat 500 Abarth 2009 Nissan 370z Last edited by Econ; 05-17-2011 at 01:35 PM. |
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05-17-2011, 01:08 PM
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#3 (permalink) | |
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I think Econ may be right...makes sense. I just got it installed last Friday so I am hoping that the system just needs some time to settle completely. Just going to continue to monitor over the next couple weeks and see how it goes... 
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05-17-2011, 01:36 PM
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#4 (permalink) |
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A True Z Fanatic
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go under the car and look how much room u guys have between the midpipes/y/x pipe and the cross member.
should have at least a 1/2" - 3/4"
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2014 Triumph Thruxton 900 2013 Fiat 500 Abarth 2009 Nissan 370z |
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05-17-2011, 08:55 PM
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#5 (permalink) |
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A True Z Fanatic
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I had a rattling vibrating noise too on downshifts. Took it to amplified and they fixed it. Make sure there is clearance with the pipes.
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05-18-2011, 10:42 AM
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#6 (permalink) | |
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Thanks! 
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05-18-2011, 12:12 PM
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#7 (permalink) | |
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A True Z Fanatic
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