Ok Serious thoughts about external wastegates.

That spinning thing that makes all of the cool noises. OE and Aftermarket.

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cj91legss
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Ok Serious thoughts about external wastegates.

Post by cj91legss »

I've been shopping around for the last few days looking for deals on wastegates. I'm curious about something tho. Has everyone ever bought one of WyntonM's wastegates? I know it's cheap eBay stuff, but we get our TurboXS plates from them for or TMIC installs. Ive actually ran a blow off valve made by them as well, and it functioned just fine.

If it's just a diaphram with a plate and spring, what's the difference between one of WyntonM's or Tial's?
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Re: Ok Serious thoughts about wastegates.

Post by Legacy777 »

Would this be for the internal wastegate turbos or external?
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Re: Ok Serious thoughts about wastegates.

Post by cj91legss »

External, my bad...

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Re: Ok Serious thoughts about wastegates.

Post by Legacy777 »

I can't comment between the two other than I have heard of Tial, but not WyntonM. As for their inards and functionality, hopefully someone else can comment.
Josh

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Re: Ok Serious thoughts about wastegates.

Post by cj91legss »

WyntonM is where everyone is buying the generic turboxs tmic flanges

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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

bump?
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Re: Ok Serious thoughts about external wastegates.

Post by Legacy777 »

CJ,

In my opinion you only need an external wastegate if you have boost creep and are using an electronic boost controller or if you have any other signs that the current wastegate is not adequately venting the exhaust gas.

Depending on the situation an external might improve the turbo's responsiveness, but unless you are utilizing a turbo specifically designed for an external wastegate, I'm not sure you'll see much performance benefits. Obviously, if you want to the noise, an external WG will deliver that.

That's just my two cents without knowing more about the specific setup and your motivations/desires of looking at an external wastegate.
Josh

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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

Josh, I appreciate your feedback on the topic.

You actually listed 2 reasons why I'm shopping around for a wastegate. My TD04 does have wastegate flutter, and I have a Blitz Dual SBC waiting to go back into my 92 SS.

I'm considering buying the Grimmspeed Wastegate Bracket and the TD04 19T upgrade wheel and compressor housing.

With watching several wastegates on ebay that were used and seeing them go for decent prices, I may just pick up a used one. I'm more curious about the knockoff brand new stuff. It's just a diaphram and shaft. I guess I wanna know if someone else has already tried to use one, and if so how long did it last?
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Re: Ok Serious thoughts about external wastegates.

Post by Legacy777 »

CJ,

Is there a reson you're not wanting to upgrade the TD04 to a different turbo? I think you could probably alleviate some of the issues you are seeing by going to a different turbo. I understand cost and keeping the desirable attributes of the TD04 may be weighing into your decision, but an EWG seems kind of overkill for a TD04.

Is an EWG a common upgrade for the WRX guys on NASIOC? I'd suggest looking on NASIOC to see if there are others that have upgraded to an EWG on the TD04 to see what improvements they noticed. I think it would be good to confirm that upgrading to an EWG will alleviate the reasons you're wanting to upgrade.
Josh

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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

I also have a tdo5 20g waiting for a rebuild then thats goin on my car.

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Re: Ok Serious thoughts about external wastegates.

Post by Legacy777 »

Ok...well that I could see maybe benefitting from an EWG
Josh

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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

Yes. As far as the upgrade, I read on nasioc that it had a few numbers higher than a 2.0 with a vf39. Also quicker boost spool up. Eventually the upgraded td04 would go on the 93.

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Re: Ok Serious thoughts about external wastegates.

Post by 92ss satinsvoice »

how much boost are you running though your TD04? are you running 20h heads?

an external waste gate is alot for that small turbo. but if you do go that route your going to want one no larger then a 38mm. the the smaller the more exhaust energy you'll use. that larger the gate the less exhaust you'll want to use. so it comes down to how much power you are going to be shooting for.
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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

After the fcd is installed again, 15lbs until I either rebuild the td05 or vf39.

This will be pre 20g ecu installation.

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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

Just won a turbonetics deltagate mk2 for 55. Ill buy flanges and pipe afyer the 1st and report back on the wastegate flutter. Ill also try and get a vid of the screamer sound.

Youtube subaru external wastegate vids gave me butterflies :-D

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Last edited by cj91legss on Tue Oct 22, 2013 8:44 pm, edited 1 time in total.
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Re: Ok Serious thoughts about external wastegates.

Post by ride_child »

oooh i wanna hear it!
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Re: Ok Serious thoughts about external wastegates.

Post by cj91legss »

Some day

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98 LGT 4EAT
98 LGT Wagon 4EAT
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