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heads change sound?

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Old 01-13-2013, 09:56 PM
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Default heads change sound?
might be a stupid question...but

I know a cam will change the sound/note of the exhaust but will heads change the sound?
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Old 01-13-2013, 10:05 PM
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If you bump compression they usually do to some extent
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Old 01-13-2013, 10:39 PM
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Changes in valve size or compression ratio can both have an effect on volume and sound characteristics.
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Old 01-23-2013, 12:09 PM
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I am planning on getting some prc 2.5 ls6 heads. I was wondering the same thing. I cant see this thing getting much louder
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Old 01-23-2013, 06:18 PM
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Very little if any, like RPM WS6 said a bump in compression will change the sound slightly also.
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Old 01-23-2013, 09:03 PM
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So ported ls6 / 5.3 prob wouldn't be noticable?
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Old 01-23-2013, 10:09 PM
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well i will be finding out soon enough.....scheduled for a head and cam swap next week
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Old 01-23-2013, 10:10 PM
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Originally Posted by MikeWS6
So ported ls6 / 5.3 prob wouldn't be noticable?
I'm not sure what your car sounds exactly like now, but with my heads and cam and same exhaust as you, it sounds stupid loud and raspy IMO lol
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Old 01-23-2013, 11:23 PM
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Originally Posted by HCI2000SS
I'm not sure what your car sounds exactly like now, but with my heads and cam and same exhaust as you, it sounds stupid loud and raspy IMO lol
Ya it's ungodly loud
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Old 01-24-2013, 03:21 AM
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The cam makes the most noticeable noise change, if you were to change the heads only and leave the stock cam most likely there would be no noticeable difference in the sound.
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