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Which turbo upgrade for my 06 WRX Hawkeye?

Old 22 November 2010, 01:14 PM
  #31  
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Originally Posted by BrownPantsRacing View Post
Cool. Thanks for all the advice. Going to change the exhaust & filter as a start and get Duncan at RaceDynamics to map it soon with the standard intercooler. Will see how i get on with the standard turbo.

After that possibly fit my uprated tmic and change the turbo. we'll see!

Cheers all.
i will have a full eshaust + very new filter and fuel pump comming off my WRX which i will pick up from RCM on sataday. its a vortex afterbuner full system with sports cat if your interested drop me a PM as your local
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Old 22 November 2010, 01:17 PM
  #32  
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i had a vf43 on my old hawk wrx and made 360bhp and 390lbft torque. regret trading it for the m3 now
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Old 22 November 2010, 01:55 PM
  #33  
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Didn't think the WRX intercoolers were good for 400bhp??? STi cooler maybe, but not the tiny standard WRX job!
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Old 22 November 2010, 02:11 PM
  #34  
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Wrx intercooler won't get that far. 330 tops on one but costing power at that level.

The Sti intercooler will get to 400 but will be costing a chunk of power there. Possibly get a straight 30bhp gain just by fitting a fmic and mapping for it.
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Old 22 November 2010, 02:39 PM
  #35  
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Yep, thats what I thought. Will be fitting my hyperflow TMIC. Cheers Duncan!
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Old 22 November 2010, 03:22 PM
  #36  
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Originally Posted by hughes741 View Post
i had a vf43 on my old hawk wrx and made 360bhp and 390lbft torque. regret trading it for the m3 now

There was a thread on M3s recently. How do the modded Hawk and the M3 compare in terms of performance and handling. It's often said that the M3 is faster over 90mph?
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Old 22 November 2010, 04:01 PM
  #37  
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Originally Posted by BrownPantsRacing View Post
Didn't think the WRX intercoolers were good for 400bhp??? STi cooler maybe, but not the tiny standard WRX job!
There not but the STI 7/8 intercooler is as I mentioned above
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Old 22 November 2010, 07:43 PM
  #38  
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Originally Posted by Arch View Post
If you were as quick with a TD04 as you are now with the GT30 then you must have an issue with your set up. I have went from a 16g - 20G - GT3076 and have took chunks out of my times every year and the tracks and hills up here in Scotland are pretty tight and twisty, no big power ccts.
Hi Arch.

Last year running TD04 with a 5 speed dog box with Platted front & rear diffs.
Car handeled spot on.

This year running 6 speed not got a front platted diff yet. the 5 speed would not cope with 400BHP

Everything set up for running 500+ BHP apart from Forged engine, so was just running about 400BHP.
Running a bit laggy, Some guys will say 400bhp is NOT safe with std 2.5 engine.

They would be correct.
Engine gone Bluuur

Engine tuner (Alan Jeffery) now doing the forged & Cosworth bits

Then Run it in
Then full power map.

The TD04 running 300 bhp had no lag at all, great for sprints.
So yes Arch set up not perfect this year.

Bez

Last edited by Bez300; 22 November 2010 at 07:50 PM.
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Old 22 November 2010, 11:42 PM
  #39  
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Injectors are only 380cc I think, so thay would need to be swapped for larger ones if going for 310+ ehp.

On the 2.5 boost pressure kills the piston ringlands, not power imho. (rather have 400 hp at 1.2bar then 370 from another turbo at 1.5 bar)
So you would need a turbo that can deliver power at lower boost, so maybe the smallest md321, a small SCor a td05-18G would be the best choice for you.
That way, with the extra torque of the 2.5 gets you a very quick car at lower boost/torque, so that the gearbox and engine are not overly stressed.
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Old 23 November 2010, 04:48 AM
  #40  
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Originally Posted by Bez300 View Post
Hi Arch.

Last year running TD04 with a 5 speed dog box with Platted front & rear diffs.
Car handeled spot on.

This year running 6 speed not got a front platted diff yet. the 5 speed would not cope with 400BHP

Everything set up for running 500+ BHP apart from Forged engine, so was just running about 400BHP.
Running a bit laggy, Some guys will say 400bhp is NOT safe with std 2.5 engine.

They would be correct.
Engine gone Bluuur

Engine tuner (Alan Jeffery) now doing the forged & Cosworth bits

Then Run it in
Then full power map.

The TD04 running 300 bhp had no lag at all, great for sprints.
So yes Arch set up not perfect this year.

Bez
Ah makes sense now
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Old 23 November 2010, 07:48 AM
  #41  
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Originally Posted by Dutch Scooby lover View Post
Injectors are only 380cc I think, so thay would need to be swapped for larger ones if going for 310+ ehp.

On the 2.5 boost pressure kills the piston ringlands, not power imho. (rather have 400 hp at 1.2bar then 370 from another turbo at 1.5 bar)
So you would need a turbo that can deliver power at lower boost, so maybe the smallest md321, a small SCor a td05-18G would be the best choice for you.
That way, with the extra torque of the 2.5 gets you a very quick car at lower boost/torque, so that the gearbox and engine are not overly stressed.
Hawk wrx injectors are 550cc as standard so no need to change them.
There is no uppipe cat so no need to change that either.

The best turbo I have mapped on a 2.5 wrx is one of harvey's TD05 18G which he has made for the 2.5 - just brings the power just to the right level for the capabilities of the engine and box.

Mate that turbo with an STi tmic (the wrx tmic is much better than the other newage wrx tmics but not as good as an sti one) and you are looking at 350bhp +. Torque levels can be set to how brave you feel with the gearbox but generally speaking a figure of 350/370 is going to be safe as houses.

Good alternative turbos are VF43 or VF48 (both designed for the 2.5 and both feature anti surge housings)
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Old 18 October 2015, 08:40 AM
  #42  
Nik Sanjog Sandhu
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Originally Posted by Bez300 View Post
I'v got Hawkeye wrx,
When running a TD04
Hyperflow topmount, Cobra exhaust with sport cat, Tubular headers, K&N cold air induction kit. STD injectors with 10% methanol, The clinic on there rollers got 306 bhp & 376 Lbs torque out of it, and it was 280 bhp with 270lbs torque.
Keeping the TD04 with the above mode make a fast motor that is reliable.
when you start to get up above 330 to 350 engine will let go, Gearbox will let go, clutch will slip, rear diff will brake, been through all of them.
I would do the other mods befor changing the turbo.

2 years ago I got 3rd in mod class at scooby sprint for the year, with a std tdo4,
No lag with that baby.

Im now running a GT30 and 500 bhp, the car with the tdo4 was just as fast on the sprints.

So now im changing from sprints to timeattack.
track is where you require big power, roads is where you require quick spool.

Remember 300 bhp is a massive power. compaired to most other cars.

Bez
Hey dude,
Kudoas to your setup..I current have a 06 hawkeye about 45xxx kms , with a full turbo back exhaust (invidia q300) , a process west cold air intake and a tune making 170kw at the wheels.

When you said "I would do the other mods before changing the turbo" ..which other mods were you talking about ??

Also , on stock internals and transmission whats the limit ??....just so my mechanic doesn't talk me into a huge set up, and then wreck something :-/

Really appreciate your feedback
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Old 18 October 2015, 01:50 PM
  #43  
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Originally Posted by Nik Sanjog Sandhu View Post
Hey dude,
Kudoas to your setup..I current have a 06 hawkeye about 45xxx kms , with a full turbo back exhaust (invidia q300) , a process west cold air intake and a tune making 170kw at the wheels.

When you said "I would do the other mods before changing the turbo" ..which other mods were you talking about ??

Also , on stock internals and transmission whats the limit ??....just so my mechanic doesn't talk me into a huge set up, and then wreck something :-/

Really appreciate your feedback
"23 November 2010 07:48 AM"
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