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02-09-2020, 08:36 AM | #26 |
Scooby Newbie
Member#: 508165
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South East
Location: Dahlonega, GA
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Agreed... These cars are meant to be driven and driven hard.
It doesn't sound like you did anything wrong, though it could be due to the tune or associated parts. But either way, the chance of this happening is just as likely when hitting boost on the road. You wouldn't let a flat tire discourage you from driving on the road. Or a burnt out bulb discourage you from using your lights. Mechanical parts will always fail, but luckily, parts are replaceable. Go make some fun memories!
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02-09-2020, 09:41 AM | #27 |
Scooby Newbie
Member#: 131702
Join Date: Nov 2006
Chapter/Region:
Tri-State
Location: NJ
Vehicle:2017 WRX Premium CWP |
Without some sort of metallurgy test done, it is hard to say. Autocrossing obviously imposes more stress on components, including the turbo. On/Off throttle is going to produce more twisting force to the compressor blades from the acceleration/deceleration. Maybe you already had a small nick in one of the blades from a small foreign object and autocrossing was too much for it. Maybe that compressor wheel had a flaw from the manufacturer that reared its ugly head now. Again, no way to tell without testing, which at this point is more trouble/money than it is worth.
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02-09-2020, 11:57 AM | #28 |
Scooby Specialist
Member#: 431550
Join Date: Oct 2015
Location: South Florida
Vehicle:2016 WRX ALL THE STAGES |
The boomba causes compressor surge... that fluttering is no bueno for the turbo. Doesnt matter what excuses or BS you find where people justify it and what not.
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02-11-2020, 12:11 PM | #29 | |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
Quote:
I'll probably go back to the track after a while, but for now I have to get over the sticker shock. |
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02-11-2020, 12:12 PM | #30 |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
Hopefully the new billet wheel will be able to withstand any surge damage. I do love the sound :-D
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02-11-2020, 01:11 PM | #31 | |
Scooby Specialist
Member#: 111641
Join Date: Apr 2006
Chapter/Region:
MWSOC
Location: St. Louis, MO
Vehicle:2020 CWP STi RIP - 06' WRX w/ 6spd |
Quote:
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02-12-2020, 02:20 PM | #32 | |
Scooby Newbie
Member#: 501927
Join Date: May 2019
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Quote:
+1 Why pour money into something and not fix the root cause..... |
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02-12-2020, 03:35 PM | #33 |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
You guys make an excellent point -- I didn't think of it that way. I can afford a new bpv-- the Cobb looks good.
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02-12-2020, 03:41 PM | #34 | |
Scooby Guru
Member#: 428511
Join Date: Aug 2015
Location: philadelphia
Vehicle:2016 STI |
Quote:
But a burnt out bulb. . . .different story. You guys can play with fire if you want, I'm selling this car the minute the headlights burn out. I saw my neighbor first hand pay that price. Burnt out bulb, haphazardly replaced it and continued use of the vehicle, IN THE DARK, and BAM, commercial airliner lands right on top of him. . . .and it was a convertible no less. Coincidence? Some say so, but I know better. |
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02-12-2020, 03:47 PM | #35 | ||
Scooby Newbie
Member#: 508165
Join Date: Nov 2019
Chapter/Region:
South East
Location: Dahlonega, GA
Vehicle:WRX, Porsche 987S Volvo C30 T5 AWD |
Quote:
Any mechanical part is more likely to fail when being pushed to the limits of enjoyment. But don't let this scare you from having fun with your car. If you're now scared of boost, you might as well trade in for an Impreza... You'll save on insurance premiums with that as well. Quote:
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02-12-2020, 03:54 PM | #36 |
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Member#: 432734
Join Date: Oct 2015
Chapter/Region:
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Location: Savannah, GA
Vehicle:2016 WRX Premium Crystal White Pearl |
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02-12-2020, 03:56 PM | #37 | |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
Quote:
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02-12-2020, 04:36 PM | #38 |
Scooby Specialist
Member#: 431550
Join Date: Oct 2015
Location: South Florida
Vehicle:2016 WRX ALL THE STAGES |
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02-12-2020, 05:22 PM | #39 |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
Last edited by glenmo; 02-13-2020 at 08:41 AM. Reason: wrong quote |
02-13-2020, 09:06 AM | #40 |
Scooby Newbie
Member#: 448185
Join Date: Jun 2016
Chapter/Region:
Tri-State
Location: Essex County, New Jersey
Vehicle:2016 WRX DGM |
Enjoy potentially blowing your turbo again then, man.
You have two paths to take with this car, and you're already down one. Path 1 is improving the car to make more power in a less risky fashion without the scene points of a blow off valve which has less of a chance of blowing up. Path 2 is ignoring the advice you asked for and putting on parts that you think are fun regardless if they even do anything for the performance of the car or not. At least the car won't be "bo-ring." I think you're going to find that the vocal people in this FA20 community are very conservative, and for good reason in my opinion. If you take path 2, which you seem to be going down, you're not going to get much support here. |
02-13-2020, 09:53 AM | #41 |
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02-13-2020, 10:05 AM | #42 |
Scooby Newbie
Member#: 508165
Join Date: Nov 2019
Chapter/Region:
South East
Location: Dahlonega, GA
Vehicle:WRX, Porsche 987S Volvo C30 T5 AWD |
The only reason I see to not go with stock, is that the stock BPV can sometimes fail to fully close when driving with fluctuations between 2-4psi. I have experienced some symptoms of this, usually only when hitting light boost while driving. It's never an issue when accelerating quickly or rapidly going between vacuum and boost.
There was a discussion a while back and it seemed like the Perrin bypass valve was a good option, as it's basically just a buffed up version of stock. Any additional opinions on this? |
02-13-2020, 11:09 AM | #43 |
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Vehicle:2017 WRX Crystal White Pearl |
Perrin and Nameless valves are good upgrades, but I've yet to have an issue with my stock valve and I'm nearly FBO and flex fuel tuned.
Edit: Just saw the COBB one, more than likely also a great choice. |
02-13-2020, 11:28 AM | #44 |
Scooby Newbie
Member#: 508165
Join Date: Nov 2019
Chapter/Region:
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Location: Dahlonega, GA
Vehicle:WRX, Porsche 987S Volvo C30 T5 AWD |
The only time I notice an issue is when I'm going up a long slight incline at highway speed, where light throttle input fluctuates boosts between 2-4 psi. The car basically feels like it has 0 boost under this circumstance and you can hear what sounds like a stuck bypass valve.
But the moment I give more throttle input, you immediately feel boost. Seems spot on with some other experiences I have read. Not necessarily a failed factory BPV, just a spring that's not strong enough to fully close when it's being pushed/pulled by vacuum at that low boost interval. Stage 2+ Protune, no boost leaks. Holds right at 19psi. But 85k miles, so I'd expect some parts to start wearing out. |
02-13-2020, 12:20 PM | #45 | |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
Quote:
I get it -- and you're right -- I did ask for the advice from a rather conservative group but there's got to be a happy medium between the stock bpv and all out compressor destruction. I'd like to find that sweet spot. |
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02-13-2020, 12:26 PM | #46 | |
*** Banned ***
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Join Date: Apr 2019
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Quote:
Simple basic steps. Duhh! |
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02-13-2020, 04:14 PM | #47 |
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There has been zero conclusive evidence the BPV had anything to do with this.
Guy runs Bpv, guy blows turbo, therefore Bpv 100% had to be responsible let's not even consider another solution - that's the logic in this thread (and on this board). This is all speculation. Treating people like they are stupid for not blindly believing something with zero evidence is the epitome of this board. |
02-13-2020, 04:34 PM | #48 | |
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Quote:
Goes hand and hand with people who think this engine is absolute junk because out of the 30k +/- sold a year in the US, you see 6/7 posts about a blown engine and its instantly a **** engine. |
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02-14-2020, 12:21 AM | #49 | |
Scooby Newbie
Member#: 467826
Join Date: May 2017
Vehicle:2017 WRX WRB |
Quote:
The turbo is getting replaced for sure, so the only other factor involved that I can imagine is the bpv. Replacing the bpv will cover all the bases... I'm just trying to avoid this kind of hassle in the future, not **** on a company or a product. |
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02-14-2020, 12:29 AM | #50 |
Scooby Newbie
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Join Date: May 2017
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Is this normal?
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