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Old Dec 1, 2011 | 12:14 PM
  #1006  
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I had the pleasure of tuning a very clean and well put together RS-STI Swap earlier this week. This was a GC RS with complete 06 STI drivetrain including the 6MT, complete TBE, Fuel pump, Injectors, MBC, running E85. The customer drives the car very aggressively so he requested a relatively mild E85 tune. Here is what we ended up with at about 21psi peak tapering to 13.5psi by readline:



This car had previously been tuned elsewhere and the customer was very happy with the improved power, response, and drivability.

Thanks
-- Ed
Old Dec 1, 2011 | 09:38 PM
  #1007  
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21psi is considered "mild" on a stock turbo and shortblock?
That's just shy of 500hp the at the crank.
Old Dec 1, 2011 | 10:09 PM
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Originally Posted by FW Motorsports
21psi is considered "mild" on a stock turbo and shortblock?
That's just shy of 500hp the at the crank.
He has forged pistons, so if the engine is in good shape, 21psi peak is indeed mild on E85. Remember that boost still tapers to roughly 14psi by redline. Also remember that boost is only one variable and does not solely define a tune as mild or aggressive. Often times so-called conservative tunes running low boost levels are actually running a lot more ignition advance, are closer to the knock threshold and are harder on the engine in the end.

This particular tune for example is running relatively relaxed timing and a relatively rich a/f ratio. This is what really makes it mild.

So what would you consider to be mild and why? How much tuning have you personally done on E85? Got any results you want to share and compare?

Thanks
-- Ed
Old Dec 1, 2011 | 10:10 PM
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Just finished up another car and got it tuned on the dyno. This is a customer who drove about 3 hours to have us work on his 06 STI. He had a previous setup done at another shop out of state and was running a a smaller turbo on E85. He now wanted to switch back to pump gas but still keep some good power, so he decided to size up the turbo significantly.

He already had a built engine, so he decided to go a bit big. He chose the Forced Performance Red and left the rest to us. We installed the new turbo, an EQ Tuning FMIC kit with blow-through MAF, a Tial BOV, Perrin EL Headers, Tigwerks EWG UP with Tial 38mm EWG, TGV Deletes, Perrin Inlet, and an Aeromotive in-tank fuel pump. The final setup is:

Built Shortblock
FP Red Turbo
EQ Tuning FMIC Kit
Tial BOV
Perrin 3" Inlet
TGV Deletes
Perrin EL Headers
Tigwerks EWG UP with Tial 38mm EWG
PE850cc Injectors
Aeromotive Stealth Fuel Pump
Hallman MBC
Perrin CATTED TBE
EQ Tuning Custom Tune on 91 Octane Pump Gas


After about 4 hours on the dyno, this is where we ended up:



That's 360whp/329ft-lbs at 21psi peak boost on straight 91 Octane pump gas, revving out to 7400RPM. The power levels are awesome considering the car retains a catted downpipe and the heads have no work done to them. Even though this is a bit on the laggy side for a lot of people, revving out to 7400RPM still gives a nice usable powerband.

Thanks
-- Ed
Old Dec 1, 2011 | 10:11 PM
  #1010  
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^^^ that I would consider to be more on the aggressive side considering its on pump gas

-- Ed
Old Dec 1, 2011 | 10:24 PM
  #1011  
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Hey Ed do you or anyone you know have an ECUTEK? The last tune on my car was done with that and now my ECU is locked... So I need to get it unlocked
Old Dec 2, 2011 | 08:38 AM
  #1012  
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I can usually access locked Ecutek ECU's. You would have to come by the shop for me to try.

Thanks
-- Ed
Old Dec 2, 2011 | 08:49 AM
  #1013  
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Originally Posted by FW Motorsports
21psi is considered "mild" on a stock turbo and shortblock?
That's just shy of 500hp the at the crank.
so 335whp is close to 500 crank? I would think more about 440 crank, what the hp loss on the wrx and sti?
Old Dec 2, 2011 | 09:41 AM
  #1014  
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Originally Posted by 04caliwrx
so 335whp is close to 500 crank? I would think more about 440 crank, what the hp loss on the wrx and sti?
I made two mistakes:
1. Understood "complete Sti drivetrain" to mean all stock components.
2. I was looking at the torque value, but mentioned hp.

Given that this engine has forged pistons, the torque value is acceptable.
Old Dec 6, 2011 | 04:17 PM
  #1015  
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^^^ I'm glad its "acceptable" to you

-- Ed
Old Jan 13, 2012 | 04:10 PM
  #1016  
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I paid $200 to charity and all I got was this stupid title... oh, and I'm probably out to sea right now too.
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I have a 2nd gen outback. I just want to put it on a dyno to see what power Im running at the moment. How much for just a dyno run?
Old Jan 16, 2012 | 07:51 PM
  #1017  
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$95 with wideband O2 sensor for A/F measurement.

Thanks
-- Ed
Old Jan 17, 2012 | 07:19 AM
  #1018  
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I paid $200 to charity and all I got was this stupid title... oh, and I'm probably out to sea right now too.
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I heard you guys might be doing $50 dyno runs this weekend for 3 pulls?
Old Jan 17, 2012 | 09:14 AM
  #1019  
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$70, but yes. Come out to the dyno day and have some fun

-- Ed
Old Jan 17, 2012 | 06:32 PM
  #1020  
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