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27 Mar 2005, 14:06 (Ref:1262897)
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Veteran
Join Date: Jan 2003
Posts: 2,071
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silencers on turbo race cars
when i turbo'd my last car, i used one fairly small silencer, and it was still quite quiet, in fact it noise tested at 97db, well below the current 105 limit, so i'm now wondering if i can get away with no silencer at all, as the turbo itself does a lot of silencing, anyone out there running a non silenced turbo?
Last edited by graham bahr; 27 Mar 2005 at 14:07. |
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27 Mar 2005, 14:24 (Ref:1262909)
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Veteran
Join Date: Jan 2003
Posts: 2,071
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opps, just read blue book, it says you have got to have a silencer irrispective as to to the noise your car makes!
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27 Mar 2005, 23:06 (Ref:1263229)
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Veteran
Join Date: Sep 2003
Posts: 1,767
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You're right, all the plumbing in a turbo cuts both induction and exhaust noise.
Except for that annoying "whoosh" noise the boy racers get with their blow off valves! |
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__________________
"...full of sound and fury, yet signifying nothing...."
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30 Mar 2005, 21:04 (Ref:1265676)
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Veteran
Join Date: Aug 2004
Posts: 14,699
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PHP Code:
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__________________
You can't polish a turd but you sure can sprinkle it with glitter!
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31 Mar 2005, 07:32 (Ref:1265966)
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#5 | ||
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Veteran
Join Date: Jan 2003
Posts: 2,071
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i'm not tryimg to make noise, i'm just trying to avoid more weight/clutter under the car, i might split the exhaust into 2 and only have a silencer in one side
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31 Mar 2005, 08:18 (Ref:1265994)
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#6 | ||
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Veteran
Join Date: Sep 2003
Posts: 1,767
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The dummy muffler idea works a treat. It's pretty easy to roll up a pretty piece of alloy to make it ook like a custom muffler.
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__________________
"...full of sound and fury, yet signifying nothing...."
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6 Apr 2005, 20:27 (Ref:1272030)
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#7 | ||
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Veteran
Join Date: Jun 1999
Posts: 727
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yea make one, make it 50mm long and 150mm od. then put a pipe thro it with no holes in.
be amazed if it was still quiet enough tho! but it might be, who knows. your right tho, if u can dump the lot!! |
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7 Apr 2005, 08:49 (Ref:1272316)
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#8 | ||
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Rookie
Join Date: Mar 2005
Posts: 56
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Just be aware that even a small silencer will provide some back pressure, and this can have a big effect on power output. You may need to re-dynotune the car.
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