tomgregory2000
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| posted on 12/11/09 at 07:23 PM |
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Silencer for turbo engine
Hi everybody
I need some advice please.
Im going to be needing a new silencer for my new engine soon.
My exhaust is going to be 3" o/d from the turbo back.
Now my question is how big should the o/d of the can be? Considering that there will be a 3" hole down the middle.
And how long?
I understand that the turbo acts as a silencer and i want it to be quiet enough to pass even the quiet track day noise limits but i dont want it too
quiet
Tommy
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Davey D
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| posted on 12/11/09 at 08:23 PM |
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you want one as large as possible, something around 8" if possible. When you run an S14 with a single box system they are very loud, and they
have a lot longer run of exhaust than you can possibly get on a 7.
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BenB
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| posted on 12/11/09 at 08:32 PM |
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Didn't think you needed a big exhaust / silencer with a turbo because the turbo acted as one....
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coozer
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| posted on 12/11/09 at 09:25 PM |
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I would just use a big 3~4" pipe off the turbo with a slash cut.. whoosh!
1972 V8 Jago
1980 Z750
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graememk
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| posted on 12/11/09 at 09:46 PM |
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my s12 is as quiet as a mouse.
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turboben
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| posted on 12/11/09 at 09:58 PM |
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I run a cherrybomb (3" pipe) on my ca18det powered Dutton. Its pretty quiet. Unless your running a HUGE turbo they do help with noise.
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t16turbotone
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| posted on 13/11/09 at 07:20 AM |
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i found on my car that the turbo itself acted as a silencer so i just fitted sports cat-no silencer at all. Passed sva on 98db
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Dale
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| posted on 13/11/09 at 05:15 PM |
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I have been trying to work this out as well. I am using a 2.3 ford lima factory turbo (T3). With just 18 straight pipe it was way to loud. I think I
will be going with a staight through magnaflow muffler and a cherry bomb on the end as a resonator. It really should be 3 inch all the way but I
think I am going 2.5 as I really dont think I am going to push the motor that hard so 250 hp should be not held back too much at 2.5 inches.
Dale
Thanks
Dale
my 14 and11 year old boys 22
and 19 now want to drive but have to be 25 before insurance will allow. Finally on the road
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