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Forced Induction Turbo, Supercharger, Methanol, Nitrous |
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11-30-2017, 09:16 PM | #1 |
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Recirculate Dump Tube?
I was wondering how many of the boosted people have a recirculating waste-gate dump tube (how they label it).
I opted for this, but was having second thoughts. I've read it reduces power, I've read it doesn't. The kit maker claims it shouldn't reduce power below 400hp (I trust their expertise), but it also quiets it down, which I like for legal purposes (or pretend legal). I am just hoping it doesn't take too much from the "I have a sexy ass turbo" sound, haha.
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12-01-2017, 01:28 AM | #2 | |
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As far as performance, the vented one won't interrupt exhaust flow like the recirculating one, and the dump tube will have better flow when vented to air which may prevent boost creep, but I don't think either issue is worth the sound of the banshee pipe wailing. |
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12-01-2017, 02:06 AM | #3 | |
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12-01-2017, 02:15 PM | #4 |
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Go recirculated if you have any doubts/concerns whatsoever about it being loud and obnoxious. However obnoxious you think it is, it is 5 times more. It is so fucking loud it is rigoddamn-diculous. Even when I had stock exhaust, I was the loudest MFer on the road.
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12-01-2017, 06:56 PM | #5 | |
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I just didn't understand it going into the turbo purchase, and I haven't found a lot of info on recirculating, or videos. Most videos I search for end up being non-recirc and people showing off their loud ass turbo sound (I wasn't a fan).
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12-03-2017, 07:16 PM | #6 |
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I have a open dump wastegate and I wished I went Recirculating, the thing is mad loud when I hit peak boost. Other then that I love the thing and hate it for its obnoxiousness lol.
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12-03-2017, 08:23 PM | #7 |
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Thought it was a halo reference but either way its funny
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12-03-2017, 09:30 PM | #8 |
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Recirc will have the opposite effect, you will still hear your wastegate surging a bit, but it won't overpower your induction noise.
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The Following User Says Thank You to Amputechture For This Useful Post: | Strife26 (12-04-2017) |
12-03-2017, 09:30 PM | #9 |
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What wastegate are you going to be using? Some are louder than others, Tial stuff is really loud for instance.
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12-04-2017, 03:01 AM | #10 |
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TiAL MV-S external wastegate
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12-05-2017, 10:27 AM | #11 |
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FWIW I had a recirculated setup and it made 552 whp and 481 wtq at 20 psi, I had no power loss concern and loved the turbo noises (audible because of recirc).
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12-05-2017, 12:37 PM | #12 |
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I made 485 WHP (or around there, with the clutch slipping, never got a final number since i wore it down past the rivets) @ 16-17PSI 11:1 CR with a recirculated wastegate. I haven't had any open gates make more power than my personal setup. Eventually it can give a slight reduction but on a 3" exhaust its not an issue for most peoples power levels. I am building an even bigger block that is bored out and I have no desire to change my setup.
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12-05-2017, 11:20 PM | #13 |
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Thanks all! That is exactly the kind of info I was looking for. /whew glad I didn't cancel the recirc.
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