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Old 05-14-2008, 11:10 AM   #1
Ultimate Racing
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Cool Ultimate Racing 18G - Bringing the 08 WRX to life +100whp

We've finally found some time to play with our 08 WRX. This will be one of our final steps before going EWG'd and rotated.

As stated in the title, we've opted for an 18G as an intermediate step before going with big boys like the T3/T04S and GT35R.






What's interesting about this setup is the relative low cost - a good bang for the buck. Here are the details:

2008 Subaru WRX

- Ultimate Racing 3" High-Flow Catted Downpipe
- Ultimate Racing 3" Catback Exhaust (Resonated)
- Ultimate Racing Cold Air Intake
- Ultimate Racing Front Mount Intercooler
- Ultimate Racing EcuTEK tuned ECU
- Ultimate Racing Modified 18G Turbo Upgrade @ 14psi
- Stock Injectors
- Stock Fuel Pump



The gains for horsepower and torque are obvious. We were very pleased with this setup.

We will be offering this modified 18G complete, as well as the modifying service should you choose to purchase your own and send it in to us.

Up next we'll be testing our redesigned EWG Uppipe Kit (which btw will be compatible with older model WRX/STi as well) against the 18G's internal wastegate.

Comments?

Darryl
www.ultimate-racing.com

Edit: We are now offering this modification for most 02-07 WRX/STI stock location turbo! PM me for details.
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Last edited by Ultimate Racing; 05-14-2008 at 04:34 PM.
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Old 05-14-2008, 11:18 AM   #2
IIdiceII
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this was only at 14psi?

thats nuts!
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Old 05-14-2008, 11:21 AM   #3
black night
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stock fuel pump, stock injectors and only 14psi....good job guys!!
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Old 05-14-2008, 11:50 AM   #4
InfamousDX
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14psi lol... that turbo will be more than enough for so many 08 owners.
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Old 05-14-2008, 12:06 PM   #5
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Wow, there is almost no difference low-end either... Spools just as fast as stock...

Very excited.

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Old 05-14-2008, 12:25 PM   #6
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Quote:
Originally Posted by Cyni View Post
Wow, there is almost no difference low-end either... Spools just as fast as stock...

Very excited.

thats what I noticed as well. looks like a good option for the 08 wrx guys.
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Old 05-14-2008, 12:36 PM   #7
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i'd think a used vf39 would be a better bang for the buck intermediate setup.....pump gas numbers are pretty identical between the vf39 and 18g
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Old 05-14-2008, 12:38 PM   #8
Ultimate Racing
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Quote:
Originally Posted by Phatron View Post
i'd think a used vf39 would be a better bang for the buck intermediate setup.....pump gas numbers are pretty identical between the vf39 and 18g
We're not in this market to sell used turbochargers

Darryl
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Old 05-14-2008, 12:40 PM   #9
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Quote:
Originally Posted by Phatron View Post
i'd think a used vf39 would be a better bang for the buck intermediate setup.....pump gas numbers are pretty identical between the vf39 and 18g

But this is at 14 PSI only with stock FP and injectors. There is a lot left in it, for sure. It should make significantly more power than the 39, with spool just as fast.
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Old 05-14-2008, 12:41 PM   #10
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Quote:
Originally Posted by Illusive View Post
thats what I noticed as well. looks like a good option for the 08 wrx guys.
LGT owners as well....
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Old 05-14-2008, 12:54 PM   #11
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Quote:
Originally Posted by Audiosavvy View Post
But this is at 14 PSI only with stock FP and injectors. There is a lot left in it, for sure. It should make significantly more power than the 39, with spool just as fast.
This 18g wont make significantly more peak HP by turning up the boost. People all over nasioc keep quoting peak boost numbers in correlation with peak hp numbers, which is just wrong.

This car will pick up 50-70 ft*lbs by upping the boost to 19psi at low rpm, but its not gonna hold 19psi at redline, its gonna taper down to 14-15psi (where it already is) and therefore not make more peak hp.

Quote:
Originally Posted by Ultimate Racing View Post
We're not in this market to sell used turbochargers
Good point, but if you are posting this to try and sell this setup then I dont understand why you would leave power on the table. Why wouldnt you jack the boost up to show a huge tq number?

And the injectors have to be maxed.....
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Old 05-14-2008, 12:55 PM   #12
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Why the modified compressor outlet if you went FMIC?
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Old 05-14-2008, 12:57 PM   #13
Ultimate Racing
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Quote:
Originally Posted by Phatron View Post
Good point, but if you are posting this to try and sell this setup then I dont understand why you would leave power on the table. Why wouldnt you jack the boost up to show a huge tq number?

And the injectors have to be maxed.....
The idea was to show the capabilities of an affordable 300whp setup. We took this setup to the limits of the stock fuel injectors to see what could be done before needing to upgrade them.

Darryl
www.ultimate-racing.com
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Old 05-14-2008, 12:59 PM   #14
Ultimate Racing
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Quote:
Originally Posted by wcbjr View Post
Why the modified compressor outlet if you went FMIC?
08 WRX compressor cover is different than the norm. Modified so that it can be 100% bolt-on, and work with aftermarket bolt-on TMIC's and FMIC's.

Darryl
www.ultimate-racing.com
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Old 05-14-2008, 12:59 PM   #15
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Quote:
Originally Posted by Ultimate Racing View Post
The idea was to show the capabilities of an affordable 300whp setup. We took this setup to the limits of the stock fuel injectors to see what could be done before needing to upgrade them.

Darryl
www.ultimate-racing.com
But couldnt you still have upped the boost at low rpm to show the huge tq capabilities.....you cant be hitting 100% IDC at 3000rpm, just a thought.

if you're trying to sell something i'd post the biggest tq number you can make.....someones gotta compete with dynoflash in the huge tq number department
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Old 05-14-2008, 01:02 PM   #16
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Quote:
Originally Posted by Ultimate Racing View Post
08 WRX compressor cover is different than the norm. Modified so that it can be 100% bolt-on, and work with aftermarket bolt-on TMIC's and FMIC's.

Darryl
www.ultimate-racing.com
I have an LGT, I know of the compressor cover. But it doesnt make much sense to modify the cover and then use a FMIC. But hey, if you want to drive the prices on LGT turbos down, go right ahead. I appreciate it.
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Old 05-14-2008, 01:05 PM   #17
Ultimate Racing
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Quote:
Originally Posted by wcbjr View Post
I have an LGT, I know of the compressor cover. But it doesnt make much sense to modify the cover and then use a FMIC. But hey, if you want to drive the prices on LGT turbos down, go right ahead. I appreciate it.
I don't understand? The standard 02-07 WRX/STi FMIC does not fit on the 08 WRX. We have a FMIC specifically for the 08 WRX that will bolt to the stock turbo, as well as this one now.

Darryl
www.ultimate-racing.com
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Old 05-14-2008, 01:07 PM   #18
Ultimate Racing
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Quote:
Originally Posted by Phatron View Post
But couldnt you still have upped the boost at low rpm to show the huge tq capabilities.....you cant be hitting 100% IDC at 3000rpm, just a thought.

if you're trying to sell something i'd post the biggest tq number you can make.....someones gotta compete with dynoflash in the huge tq number department
Coulda, shoulda, woulda. I trust that most Subaru enthusiasts on this forum can see past spiking turbos for colossal torque numbers (and broken trannies). Yes, we are trying to sell a product. I think what we've demonstrated is sufficient for people to make an educated decision.

Darryl
www.ultimate-racing.com
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Old 05-14-2008, 01:18 PM   #19
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Quote:
Originally Posted by Phatron View Post
This 18g wont make significantly more peak HP by turning up the boost. People all over nasioc keep quoting peak boost numbers in correlation with peak hp numbers, which is just wrong.

This car will pick up 50-70 ft*lbs by upping the boost to 19psi at low rpm, but its not gonna hold 19psi at redline, its gonna taper down to 14-15psi (where it already is) and therefore not make more peak hp.


What 'People all over Nasioc' think doesn't matter, because I said nothing about peak numbers. And I said nothing about how MUCH boost, or where, or for how long. All I said was that this turbo has more in it, and there's no question of that. But you just made my point, that it CAN make more power. I assume that these guys know what they're doing, but with new injectors and fuel pump and a good tune, this turbo will out-perform a VF39 from mid to top-end.
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Old 05-14-2008, 01:43 PM   #20
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Quote:
Originally Posted by Audiosavvy View Post
And I said nothing about how MUCH boost,

Quote:
Originally Posted by Audiosavvy View Post
But this is at 14 PSI only
Quote:
Originally Posted by Audiosavvy View Post
this turbo will out-perform a VF39 from mid to top-end.
Not really....the fastest times i found for both turbos was exactly the same....
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Old 05-14-2008, 02:06 PM   #21
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Quote:
Originally Posted by Phatron View Post




Not really....the fastest times i found for both turbos was exactly the same....

I said nothing about how much it CAN MAKE, or what the peak numbers would be, I simply quoted the boost it's running right NOW. I know it's not about how much it makes, but the area under the curve, and although you make a good point about the times, the 18g flows a good deal more. It IS bigger, with similar spool characteristics, do you REALLY believe the VF39 can make as much? They are both good turbos, but 18g > VF39 in my opinion
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Old 05-14-2008, 02:10 PM   #22
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1) How much for this set up?
2) Why only offer a FMIC and not a TMIC option?
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Old 05-14-2008, 02:17 PM   #23
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7cm or 8cm housing? TD06 turbine wheel? Very interested...
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Old 05-14-2008, 02:19 PM   #24
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Quote:
Originally Posted by Ultimate Racing View Post
I don't understand? The standard 02-07 WRX/STi FMIC does not fit on the 08 WRX. We have a FMIC specifically for the 08 WRX that will bolt to the stock turbo, as well as this one now.

Darryl
www.ultimate-racing.com
What he's saying that making a FMIC that will accept a pre-08 WRX style turbo or an STI style turbo makes more sense since there's many more options out there. The turbo you have will only fit an 05+ LGT or an 08+ WRX. Many LGT owners have gone front mount and bought an STI type fit turbo. However, your entry into this market may help to bring the price down on this style of turbo as the current options are pricey.
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Old 05-14-2008, 02:34 PM   #25
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Quote:
Originally Posted by jim1969 View Post
What he's saying that making a FMIC that will accept a pre-08 WRX style turbo or an STI style turbo makes more sense since there's many more options out there. The turbo you have will only fit an 05+ LGT or an 08+ WRX. Many LGT owners have gone front mount and bought an STI type fit turbo. However, your entry into this market may help to bring the price down on this style of turbo as the current options are pricey.
Understood. But this option will benefit many of those that run TMIC, or do not wish to upgrade to a FMIC, or already have a FMIC that bolt to stock location (like the one we offer).

Darryl
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