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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Buzzing at 4000rpms? » Post Reply
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Greasemonkey |
posted on 18th May 04 at 13:31 |
its just resonance, the engine will cause what ever is making the noise to vibrate in harmony with the pitch of vibration the engine makes at them revs, everything has a natural resonance, dosnt matter what gear you are in like you said its the revs and the vibrations caused by them revs | |
Lucusade |
posted on 18th May 04 at 13:15 |
yeah, kinda like a bee trapped under ya bonnet. | |
AK |
posted on 18th May 04 at 12:46 |
.... als, could you describe your prob in more detail... | |
AK |
posted on 18th May 04 at 12:45 |
i ripped the lower heatshield covering the CAT off, it vibrated | |
Greasemonkey |
posted on 18th May 04 at 08:45 |
is there a heat shield over the manifold, these are a bastard for vibrating | |
and-m |
posted on 18th May 04 at 08:43 |
Possibly the speedo cable? | |
Lucusade |
posted on 17th May 04 at 11:37 |
quote: Ive never had it before...and ive just done an engine change. btw my cars an 8v not a 16v. must be my wishful thinking (i try not to set my standards to high :lol: ) | |
OFcorsa |
posted on 17th May 04 at 11:34 |
I get the sme with my 1.4 8v. hink its something to do with vibration and natural frequency. | |
Lucusade |
posted on 17th May 04 at 11:28 |
Hello all, |