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Car Forum / Chevrolet / Chevrolet Corvette / March 2005C5 harmonics?
I test drove a C5 coupe and was very surprised at the interior noise level at freeway speeds. Seems to be coming from the rear. Can dynamat help? Anyone have any ideas? >I test drove a C5 coupe and was very surprised at the interior noise level >at freeway speeds. Seems to be coming from the rear. Can dynamat help? >Anyone have any ideas? If it had an aftermarket exhaust on it that could cause a weird sound. Mine with stock exhaust has no noticeable harmonics. Not sure about dynamat, but several of the C5 owners use Frost King, which is available at most home stores, (and doesn't carry the "Corvette Tax"<g>) to quiet road noise in general. More information here http://forums.corvetteforum.com/showthread.php?t=948966&highlight=frost+king on comparisons between the two and here http://mikemercury.home.att.net/sound.htm on the insulation process in general. -- SkyhawkXP Carpe Diem >I test drove a C5 coupe and was very surprised at the interior noise level >at freeway speeds. Seems to be coming from the rear. Can dynamat help? >Anyone have any ideas? Tires were the main reason for the noise, a good exhaust did not add to it unless you're at full throttle. I never added and sound deadeners except for a carpet cargo mat. The run flats are the worst and I removed them from both C5s I had, great change.  SignatureDad 05 C6 Silver/Red 6spd Z51 72 Shark Black/Black/4spd I agree. The tires were the culprit on my 2001 C5 Coupe. Changed to Continental Extreme Contact tires. Now it rides smoother and 75% quieter. Jason 2001 C5 Pewter Coupe >>I test drove a C5 coupe and was very surprised at the interior noise level >>at freeway speeds. Seems to be coming from the rear. Can dynamat help? [quoted text clipped - 3 lines] > for a carpet cargo mat. The run flats are the worst and I removed them > from both C5s I had, great change. I agree completely. I too, changed to Continental Extreme Contacts and not only have a far quieter ride, but have much better traction in both rain and snow. Jason >I agree. The tires were the culprit on my 2001 C5 Coupe. Changed to >Continental Extreme Contact tires. Now it rides smoother and 75% quieter. [quoted text clipped - 9 lines] >> except for a carpet cargo mat. The run flats are the worst and I removed >> them from both C5s I had, great change. Yes Dynamat helps it will reduce the interior noise by 15DB if Applied correctly with tie additional on a cargo mat the noise is reduced also I have done both on my 04 Coupe, and have reduced the noise level to a acceptable level with out adding to much weight to to cat >I test drove a C5 coupe and was very surprised at the interior noise level >at freeway speeds. Seems to be coming from the rear. Can dynamat help? >Anyone have any ideas? |
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