Noise insulation, Engineer types opinions needed |
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Noise insulation, Engineer types opinions needed |
nivekdodge |
Aug 10 2023, 07:12 PM
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#1
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Member Group: Members Posts: 281 Joined: 28-August 21 From: Pittsburgh Pa Member No.: 25,860 Region Association: MidAtlantic Region |
Just a thought
There's another thread today discussing using perlon for the back pad and if it was quieter or not. Something I've notice is Some GM hood have their inner surface looking like a golf ball. There are 3" round divots and when asked about it I was told it reflects the sound back to the motor and that kills the sound.Anyone know if there is truth to this? This would of course be in the engine compartment. Kevin |
Root_Werks |
Aug 14 2023, 10:23 AM
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#2
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Village Idiot Group: Members Posts: 8,510 Joined: 25-May 04 From: About 5NM from Canada Member No.: 2,105 Region Association: Pacific Northwest |
I had a 914 rear window cut from laminated glass once just so it'd be tinted. Surprised how much noise was reduced. I'll be doing that to my current 914 at some point.
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