pmc_3
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| posted on 25/1/05 at 06:56 PM |
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Exhaust noise
Couldnt decide where to post this. Basically for the track day I am doing next month at donington, the car cant be over 98db.
I know mine is quite loud, so i'm a little concerned. Its straight pipe from the manifold all the way to a cherry bomb backbox (was a quick fix
to replace a very holed one, but does sound quite nice  ) Its a 2.0 pinto engine. Has anyone had there's noise tested and how did you get on?
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Ben_Copeland
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| posted on 25/1/05 at 07:00 PM |
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Put a nice lump of stainless steel wool in the exhaust, heard that lowers the noise a bit. Then wip it out as you go onto the track  
[Edited on 25/1/05 by Ben_Copeland]
Ben
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Peteff
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| posted on 25/1/05 at 07:07 PM |
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Yes,
Then watch for the black flag coming out. They're not stupid. Get a box to fit in the straight pipe, just cut a section out and clamp it in.
yours, Pete
I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.
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Northy
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| posted on 25/1/05 at 08:42 PM |
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quote:
Originally posted by Ben_Copeland
Put a nice lump of stainless steel wool in the exhaust, heard that lowers the noise a bit. Then wip it out as you go onto the track
You'll then fail the drive-by test from the noise monitor (one of ours) fitted on the main straight! 
They are keen at Donigton!
Graham
Website under construction. Help greatfully received as I don't really know what I'm doing! 
"If a man says something in the woods and there are no women there, is he still wrong?"
Built 2L 8 Valve Vx Powered Avon
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pmc_3
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| posted on 25/1/05 at 09:05 PM |
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You reckon it'll fail then?
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Stu16v
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| posted on 25/1/05 at 09:10 PM |
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quote:
You reckon it'll fail then?
Not unless you get the engine running!!!
(Sorry, couldn't resist... )
You have exhaust length on your side, which most Locosts don't have, and that will help. But I personally doubt that a small straight through
cherry bomb will be enough to get on/stay on track at an average Donington trackday TBH...
Dont just build it.....make it!
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pmc_3
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| posted on 25/1/05 at 09:20 PM |
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quote:
Originally posted by Stu16v
quote:
You reckon it'll fail then?
Not unless you get the engine running!!!
(Sorry, couldn't resist...)
You have exhaust length on your side, which most Locosts don't have, and that will help. But I personally doubt that a small straight through
cherry bomb will be enough to get on/stay on track at an average Donington trackday TBH...
Fancy helping me push it round I had a feeling that it probably would fail
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