Serious GTR Power!!!

Over the past few weeks we have had a few GTRs come in for mild tuning and the results are anything but. Thanks to the COBB Tuning AccessPORT we can apply all of our tuning expertise that we have developed on other platforms to the GTR and the results are simply amazing.

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It should be noted that the car pictured here was not 100%; the exhaust system was modified with larger-diamater mid-pipes, however, the downpipes and rear-exhaust section were stock.

Boost was set at 18psi on the stock turbos and this resulted in some very impressive power gains, resulting in over 500 wheel torque and 500 wheel horsepower!

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One of the cars had a chance to take one pass down the drag strip which resulted in a low 11-second pass. Without a rollbar, this is faster than is allowed for a car without a rollbar!

Stay tuned as we plan to have more fun with the GTR in the coming months.

Big Power on a stock-block STI

Behold, this is Jeff Hill's 2005 STI show car. This car has an amazing assortment of parts including the new Treadstone rotated-mount turbo kit based on a Turbonetics GTK turbocharger. With a 4-inch intake and Q16 116-octane race fuel, this car was able to make over 500whp and 500lb/ft of torque. Look for this car in an upcoming issue of Subiesport Magazine.

Surgeline Tuning, Stage 1 EVO X

SURGELINE TUNING EVO X STAGE 1

Surgeline Tuning is proud to release dyno figures from our more recent test car, a 2008 Mitsubishi EVO X. This is a stock car with nothing but an AccessPORT and tuning. We will be releasing more maps and results when we install a prototype cat-back system later next week. Final versions of our Stage 1 map should be available soon.
If you have an EVO X and you are ready to make power, give us a call.
www.surgelinetuning.com

2009 WRX Tuning Stage 1 and Stage 2

2009 Stage1 WRX results

Just finished tuning our first 09 WRX, we are very pleased and impressed with the results! I think we will be seeing a lot of trade-in's in the near future... I'll let the graph speak for itself and have Mr. Bailey chime in a bit later This is all done on our in house Mustang Dyno.Mods:stock + SPT Catback230 whp238 wtqStage 1:AccessPort stage 1 Tune268 whp290 wtqWe just finished some initial testing with a new 2009 wrx.


The results indicate that this car is a whole new beast and is indeed MUCH more capable that the 2008 version of this car. The first major fact to relay regarding this car is that the turbo is bigger. The 2008 car was left nearly impotent with a tiny little turbo that was done before the fun started. Like many fans of turbo cars I think that bigger is better and in this case the choice for the new 2009 is perfect. In almost every regard this car performs as though the turbo is similar to an STi. Now onto the specific results of our testing:Baseline runs – Stock car with an SPT cat back exhaust- Air Fuel Ratio: Note that the stock car stays near 14:1 at full boost until nearly 4000 RPM.

This is a risky tuning strategy that best meets the standards of increasingly stringent emissions tests but by all rational standards has a negative impact on torque, responsiveness, and engine longevity. This "lean under full boost" tuning strategy has become the standard for all turbo Subaru's. - Boost: The stock calibration is a nearly flat boost curve of 14 PSI tapering to 12 PSI. This is a very flat boost curve in contrast to the 2008 car which peaks and tapers heavily. Stage 1 testing – Stock car with SPT cat back exhaust and Cobb AccessPORT beta calibration- Air fuel ratio: Lean under full boost is not acceptable. For this beta calibration I first changed the open to closed loop delays and switch points to allow appropriately rich Air to Fuel ratio's as boost comes on. This richer AF ratio allows more consistent ignition timing.

Under these conditions power and torque abound. In fact, I was able to make considerably more power and torque under these conditions with stock boost levels.- Boost: With the fuel and timing strategies in place I began to raise the boost. After some trial and error I settled on a peak boost of 16.5 psi tapering down to 13 psi. The torque and power gains are impressive and in fact I was able to make MORE power and torque with slightly higher boost. The next series of testing will be conducted after we install a Cobb Tuning downpipe.

Overall I am absolutely impressed with this car and the performance is more STi than any prior WRX. Since the 09 wrx can be had for 24K, it represents a huge performance bargain. I'd be willing to bet the stage 2 tune will yield results VERY similar to a stage 2 STi. Best regardsTim BaileySurgeLine Tuning - A Cobb Tuning Premier FacilityAs an aside its worth noting this turbo might just be the best upgrade option available for all you 2008 wrx and legacy owners...

Here is a quick look at the latest results with our 2009 WRX. For the next stage, we added a Cobb downpipe combined with the SPT exhaust. With a bit more boost, and a bit leaner mixture, we extracted 317 lb-ft of torque and 281 whp on Oregon pump 92 octane! Here is a look at the Stage 2 compared to stock. Note this is with the SPT exhaust, which isn't the freest flowing exhaust compared to some aftermarket exhausts.As you can see, the stage 2 setup has a huge torque gain everywhere. If you saw this post without a heading, you would think it is from a Stage 2 STI.

Compared to the Stage 1, the addition of the downpipe gave us more torque across the powerband.As typical with the STI, the car responds well to a slightly leaner mixture. Here are two runs in the Stage 2 setup with the higher hp run targeting AFRs around 11.8-11.9The boost used for the stock, stage 1, and stage 2 runs.Obviously the comparison to a Stage 2 STI in inevitable. This comparison is to an 07 Stage 2 STI with a real 3" aftermarket exhaust, and a bit more boost then the 09 WRX setup. The shape gives you a good idea about the 09 Turbo.

It appears the 09 WRX turbo is indeed a VF43 sized turbo with the Legacy/WRX compressor cover.Last but not least, here is a look at the 09 WRX vs the 08 WRX, in stock form. As you can see, the 08 WRX has a torque advantage until about 4000rpm, at which point the 09 WRX takes over and runs all the way to redline. The 09 has more lag then the 08, much like the 08 STI vs the 08 WRX. We are going to add a larger TMIC this week, so look for some more results. Based on the numbers so far, it seems the 09 WRX is a bit underrated at 265 hp. This car is the sleeper of the Subaru lineup. With the longer 5 speed gears, it will give the STIs a significant challenge.


Cheers,
Jeff Sponaugle
Research Caibrator

Surgeline Tuning
http://www.surgelinetuning.com/
503-670-9500
sales@surgelinetuning.com

Surgeline Tuning, the Northwest's Premier Tuning and Install Facility

Welcome to Surgeline Tuning, the authority on Subaru performance and EFI tuning. At Surgeline Tuning, we pride ourselves on being the most knowledgeable and experienced tuning company in the industry. We specialize in late model, turbocharged Subarus, GTR and normally aspirated Nissans and Infinitys, Mazdaspeed3 and Mitsubishi Evolution. We have tuned almost every conceivable combination of parts and accessories and engine management type. In our over-half decade of tuning, we have tuned over 2,000 cars on and off the dyno. If you have a car that you want tuned correctly, effectively and without hassle, call Surgeline Tuning.

Head tuner, Tim Bailey is a factory-certified tuner for Cobb, ECUTek, Hydra and AEM. In addition to these, he is well-versed in most types of aftermarket tuning platforms including TurboXS UTEC and DTEC systems as well as the myriad of stand alone ECUs on the market today. If you have a system that no one else can tune, bring it to us. Our knowledge of tuning principles extends beyond any given tuning platform.

Are you looking to build a high-performance car and are ready to take the step beyond simple bolt-ons? Master technician and fabricator, Dustin Harris, has thousands of high-horsepower and racing projects to his credit. From installing and fabricating custom turbocharger and intercooler setups to building FIA and SCCA-spec crash cages, we can build anything you need to your specification.

Is this your first time modifying your car? We can help here too. With a few simple modifications we can dramatically increase the performance of your car while maintaining its daily-drivability. Whether it is better handling, or more power, we have the parts that will fit into your goals and your budget.

Come see us online at http://www.surgelinetuning.com/ or call us at 503-670-9500. We are located in Tigard, Oregon, just south of Portland right off of I-5.