We had a nice tune come in today. This car is pretty much stock except for a Cobb Downpipe, Tein Springs, and a ProTune from Verocious. The owner recently asked me to quote out maxing the power capabilities of the stock turbo, so hopefully we’ll see this car back in the near future putting down some higher numbers. For being in relatively stock trim though, I thought the car performed well on the dyno.
July 8, 2010
May 18, 2010
‘08 WRX Sedan w/ VF52
The owner of this ’08 WRX uses the car as his daily driver, he came to Verocious and asked us to put together a build plan for him that would maximize the cars fun factor for daily drivability. This build was right up my alley, as this car is very close to what I would like to build for myself as a daily driver.
As every Subie enthusiast knows the ’08 WRX was a bit soft around the edges from the factory compared to previous models…. and the ’09 model. To bring the fun factor back into this ’08, the following upgrades were made:
VF52 Turbo Upgrade
HKS SSQV III
Deatschwerks 850 cc Injectors
AVO Fuel Pump
Upgraded TMIC
Turbo Inlet
Verocious Motorsports Catch Can
GT-Spec Header & Uppipe (wrapped)
3″ Turbo-Back Exhaust
South Bend Stage 3 Clutch
MODE Short Shifter
Perrin Shifter Bushings
Tuning is handled via a Cobb AccessPort, with a custom ProTune from Verocious
February 17, 2010
08 STi w/ Verocious Turbo-Back Exhaust
This is a full 3″ 304 stainless steel exhaust we developed for the 08+ STi. The system starts with a modified COBB downpipe. Some of the highlights of the system include full v-band connections rather than traditional 2 or 3-bolt flanges. The v-bands allow for easy connect/disconnect of the exhaust components. In between the downpipe and mid-pipe there is a high flow metal core catalytic converter than can be swapped with a race/test pipe for trips to the track. The muffler features a centered inlet and exits into quad tips.
We tested a bone stock 08 STi on our AWD DynoJet, then installed our exhaust and tested it again. Simply installing our exhaust yielded an increase of 30whp and 2 ft. lbs. There was no tuning done to obtain these results, it was simply unbolt the stock exhaust, and install our exhaust.
August 24, 2009
‘08 STi P&L Turbo Kit
The owner of this ’08 STi had his original motor let go on him while at the track. As a racing enthusiast, rather than going back to the dealership and trying to get the motor covered under warranty he decided to step up his game and take this car to the next level.
The stock block was tossed in favor of a Raw Performance Street Series Block. The Street Series Block includes forged CP Pistons with high performance rings, STi forged rods, and a STi forged crankshaft. The forged pistons in this block offer greater strength than the original cast pistons the STi comes equipped with. The new motor was assembled using stock heads for now, although our customer is probably going to have some head work done in the future.
The owner of the vehicle chose to run the P&L rotated mount turbo kit. At the heart of this kit is a GT35r with an .82 a/r hot side housing. Due to the larger turbo, the stock top mount was replaced with a larger TurboXS unit. Some of the additional supporting mods include upgrading to a TiAL 44mm wastegate, HKS SSQV blow off valve, Deatsch Werks 850cc injectors, a Walbro 255lph fuel pump, Perrin equal length manifold, a custom oil catch can, and a South Bend FE Series clutch.
The car put down 388whp on our dyno running 93 octane. (Dyno Chart coming soon!)
July 22, 2009
Stock PCV System vs. PCV System w/ Air Oil Separator
This 07 STi came into the shop down on power and knock prone. After some diagnosis we discovered the intercooler had quite a bit of oil inside of it. Finding a large amount of oil in the intercooler was a pretty good indicator that oil was most likely making its way into the combustion chambers. When oil gets on top of the pistons in an engine it will hinder combustion efficiency, causing knock, which is very damaging to the engine. The oil gets there by way of the PCV system (Positive Crankcase Ventilation System), which carries a mixture of air and oil vapors.
By installing an oil separator, or a catch can, the lines from the PCV system are run into and out of a tank or can that usually contains a baffle inside. When the air and oil mixture hits the baffle the oil is separated from the mixture. The difference between the oil separator and the catch can is that an air oil separator drains back to the oil pan. A catch can, just as the name describes, acts as a can that collects the oil, meaning it will periodically need to be emptied.
The dyno chart below illustrates how much power can be gained with the installation of a high quality air oil separator or catch can when there is an excessive amount of oil in the PCV system.
Run 12 is the car after the stage 2 tune was finished. Run 1 is the same exact tune as run 12 except the oil has been cleaned out of the intercooler and a Crawford Air Oil Separator was installed. In this case the owner picked up 26.5 hp and 8 ft. lbs torque at the wheels.
June 16, 2009
07 WRX Transmission Upgrade
Often times people only consider transmission upgrades after they break something, or it has become a necessity due to the power output of the engine. In this case, however, the owner of this ’07 WRX understood there was a need for adding some strength for those occasional trips to the drag strip. Since this car serves as both a daily driver as well as a toy, it was important to our customer to keep the car civil for commuting and highway driving, while still improving acceleration and strength in lower the gears.
To meet our customer’s requirements, we recommended replacing the stock gear set with PPG gears and synchros, using straight cut gears for first and second, helical cut gears for third and fourth, fifth gear remains stock. Using the stronger straight cut gears for first and second means the trans should withstand repeated launches at the drag strip without consequence.
It’s no secret that straight cut gears generate more cabin noise than helical cut gears, so by using straight cuts in combination with helical cut you get the best of both worlds. The strength where you need it, for launching, and by the time you hit third, the transmission noise is still docile enough for everyday street use.
Along with the installation of the gear set, we also installed a new Southbend clutch. After the clutch break in period he’ll be back to get the car on the dyno for a tune, we’ll post an update and let you know what kind of numbers the car makes.
June 3, 2009
COBB DP Neckdown Removal
Here are a few shots of a quick mod we do. In order for the COBB downpipes to mate up to the factory Subaru exhaust they have a neckdown where the downpipe and midpipe meet. Even when you upgrade to a larger cat-back exhaust, the neckdown is still a choking point for the exhaust. By removing the neckdown you remove the choking point, allowing you to reap the full benefits of your aftermarket exhaust setup. In addition to removing the neckdown, when we do this modification we replace the warp and leak prone 2-bolt style flanges with v-band flanges. The V-Bands allow the connection to be more easily serviced, and they hold up better in performance applications, as they are less prone to warping and exhaust leaks.
May 27, 2009
’08 STi Verocious Custom Turbo Kit
This car features a custom Verocious Motorsports turbo kit that we put together. The kit was pulled together using the following components:
Verocious Rotated Mount Uppipe
Verocious Downpipe to Magnaflow cat back exhaust
Verocious 3.5” intake
Raw1 Track Series Block with Stock Heads and Cams
TurboXS Top Mount Intercooler
Twin Walboro In-tank Pumps
DeatschWerks 1100cc injectors
FP HTA GT35r Turbo with .82 Tial Stainless Exhaust Housing
Custom Mounted Defi Guages
The car is an animal on the street. With this turbo kit we bumped the stock output from 249 whp and 254 ft. lbs to 380 whp and 365 ft. lbs. There is also more power to be had with this kit, but the car is currently running stock heads and cams and those are the limiting factors right now. The owner is already talking about having some head work done as well as putting a FMIC on the car, and we are very curious to see how those modifications will translate into more power when we have the chance to strap this car back down. We’ll keep you posted.
March 4, 2009
08′ STI Exhaust
2008 WRX STi Custom Exhaust
We had a customer in who didn’t like any of the bolt-on systems available for the new ‘08 STi… So we fabricated a custom 3” exhaust for him. The system starts with a Perrin downpipe, everything else however, was fabricated using our stainless tubing and mandrel bends along with a pair of Vibrant TPV mufflers. The combination looks great, but it sounds even better! Click here to listen to the sound clip.
08' STi with a Custom Exhaust
Custom Dual Exhaust on 08' STi
Custom Dual Exhaust on 08' STi
'08 STi Baseline
'08 STi Baseline
'08 STi Dyno Run
