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> Filling Up The Roll Bar, ...with expansion foam...
McMark
post Jun 24 2003, 10:31 PM
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I've read a bit about sound deadening and one technique is to fill hollow spaces with expanding foam to kill resonance. I was thinking of doing this to my roll bar top and maybe the sides. Knocking on the top shows how high of resonance it has. I was think that if I drilled some hols 8-10 inches apart on the underside of the roll bar and sprayed in the foam I could kill the resonance and just fill in the holes. I'm not sure I could weld them since the foam is in there, but maybe solder or lead them in, or maybe just bondo?

What's your reaction to this? Good or bad idea?
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Posts in this topic
McMark   Filling Up The Roll Bar   Jun 24 2003, 10:31 PM
SirAndy   the factory already set the car up for this. they ...   Jun 24 2003, 10:42 PM
McMark   How about a brand recommendation? Or at least thi...   Jun 24 2003, 11:13 PM
Jeroen   You are kidding right? Look what the factory inst...   Jun 25 2003, 05:31 AM
sechszylinder   HiLow Mark, in my opinion this is a very very bad...   Jun 25 2003, 05:46 AM
Jeroen   Also, please keep in mind that IF you do use foam ...   Jun 25 2003, 06:02 AM
914Timo   Jeroen is right about the expansion and I have to ...   Jun 25 2003, 06:27 AM
seanery   foam holds moisture which equals rust. please, pl...   Jun 25 2003, 07:29 AM
airsix   <...   Jun 25 2003, 12:56 PM
SirAndy  
 

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