EVOIII 16G vs. 18G for 02 bugeye... - Page 3 - Subaru WRX Forum
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post #31 of 52 Old 01-12-2009, 02:01 PM
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Lil Shoaf has always said power is just a down shift away. But best of luck to you, keep us updated.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
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post #32 of 52 Old 01-12-2009, 06:36 PM Thread Starter
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Heres what Tim from surgeline had to say about my struggle:

"Hi kurt,

The FP green will support much more power than the 18g. The 18g is a 40 pound per minute turbo and the green a 49. This is just the compressor side of the turbo. There are also notable differences in the hot side of the turbo (turbine) that will make a huge impact on the performance of each.



The 18g is a 300 whp capable turbo that will spool at 3700 to 4000 rpm depending upon supporting modifications and turbine configuration. The green will spool closer to 5000.



In my opinion the green is TOO large for a 2.0 liter application unless you are willing to invest new camshafts and oiling systems to support the higher RPMs need to enjoy such a late spooling turbo. That said, I have tuned many greens on 2.0 liter cars and they do work and they do may power. However, from a drivability perspective I think this turbo is simply too large.



My test for turbo size is all about the driving experience. If I can’t rotate the car around a left or right turn from a stop without dropping or slipping the clutch, the turbo is too large. A green sized turbo will be NO fun on this sized motor.



Feel free to call if you’d have some additional questions.



Tim Bailey

503-670-9500"

So looks like i may be steering away from the green for now. That said, which turbine is going to be best mid-high range power, td06h or td05h?

-02 WRX Blouch 18G'd Juggernaut of Beastliness.
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post #33 of 52 Old 01-12-2009, 06:45 PM
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TD05 for the EJ205 and pump gas.

04 STi 16G powered lagless fun
04 WRX: SOLD
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post #34 of 52 Old 01-12-2009, 06:52 PM Thread Starter
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would there be a large difference between the TD05H-18G-7cm^2 & TD05H-20G-7cm^2 as far as noticeable power and spool? These are my last two to narrow down i promise, just trying to get all the factors figured out here. Thanks guys.

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post #35 of 52 Old 01-12-2009, 06:55 PM
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Yes, the 20G will have more power and spool slower. You knew that though. Quantifying that exactly is kinda hard though, everybody's setup is different.

The 18G's already on the large side m8, if you really want more than that, you should be looking at replacing the EJ205... usually the most cost effective way is to trade the car in on something else.

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post #36 of 52 Old 01-13-2009, 02:26 AM
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you sound like you don't have a budget or money is not an issue...if that's the case GT35R??
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post #37 of 52 Old 01-13-2009, 12:33 PM
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Subarooster: You obviously didn't read the post. It has a postage stamp sized power curve. Its not worth it. -1 The FP Green and GT35R are kinda close in the power expectation range. They'll both spool late and kill the EJ205 and 5 speed in no time.
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post #38 of 52 Old 01-13-2009, 06:54 PM Thread Starter
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I have a choice between a 9 psi actuator and a 1bar actuator, which would be best for my type of driving and boost range i would be in, or control it the best i should say? Its between the blouch td05 18G, FP18G-td06sl2, and a td05-20G, all 7cm^2.

-02 WRX Blouch 18G'd Juggernaut of Beastliness.
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post #39 of 52 Old 01-13-2009, 07:09 PM
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id go with an aps sr40. reliable turbo and company
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post #40 of 52 Old 01-13-2009, 10:24 PM
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But look at the price difference between anything APS and even blouch who is on the steeper side of the "smaller" turbos.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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post #41 of 52 Old 01-13-2009, 11:42 PM
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Quote:
Originally Posted by turmic View Post
Subarooster: You obviously didn't read the post. It has a postage stamp sized power curve. Its not worth it. -1 The FP Green and GT35R are kinda close in the power expectation range. They'll both spool late and kill the EJ205 and 5 speed in no time.
ooohhh ya sorry guess i never put that thought into consideration :/
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post #42 of 52 Old 01-13-2009, 11:45 PM Thread Starter
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Well guys, i ordered the blouch TD05H-20G-7cm^2 with the standard 9psi actuator. I've read lots and lots of dyno sheets and seen people's recommendations with the 18G and 20G, most wish they had went straight to the 20G. I wanted the mid-top end sledge hammer punch while being a ok driving around town. Thanks for the help and suggestions.


-Kurt

-02 WRX Blouch 18G'd Juggernaut of Beastliness.
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post #43 of 52 Old 01-13-2009, 11:49 PM
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When the turbo comes in with all the supporting mods, tell us how it goes. And show us the dyno #'s.
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post #44 of 52 Old 01-13-2009, 11:54 PM
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It seems like a good choice. You seem more concerned with the top end than the low end so that turbo should work well. It's not so huge that it'll take an eternity to spool.

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post #45 of 52 Old 01-13-2009, 11:54 PM Thread Starter
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Wasn't sure which actuator to use with it though, will the 9psi actuator be ok?

Other than that, i can't wait muahahahahahaha....

-02 WRX Blouch 18G'd Juggernaut of Beastliness.
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