This ’08 Scion tC was previously in our shop when the customer had us switch out his TRD supercharger setup to a Dezod turbo kit. This time around the owner brought the vehicle back for some additional power upgrades as well as some upgrades to his automatic transmission.

After the turbo kit was installed the owner noticed the car would get hung up in first and second gear during wide-open pulls. Having already installed a B&M transmission cooler, he decided the next step was to upgrade the valve body. By upgrading to an IPT valve body, the transmission now shifts quicker, more precise and no longer gets hung up in gear.

To try and extract more power from his turbo kit, the owner upgraded from his log style manifold to an equal length turbo manifold. The equal length manifold has better flow characteristics allowing the turbo to spool faster.

With the installation of the new manifold, we had to fabricate new intercooler pipes since the turbo was relocated. Since we had to fabricate new intercooler pipes we switched the car over to a blow-thru MAF sensor. The blow-thru MAF allowed us to put the sensor behind the blow off valve on the cold side of his intercooler piping. The benefit of this setup is that we did not need to run piping from the air filter onto the inlet of the turbo. We were able to mount the filter directly on the turbo inlet, which saves room in this cars cramped engine bay, and in this case, the setup also ended up saving our customer some money since it cut down on some of the fabrication time and components. However, we did fabricate a inlet pipe for his turbo, just so we could try and get the filter away from the hot ambient air next to the manifold. He does always have the option to just stick a filter on it though.

After all the work was finished, the car was put back on the dyno for tuning where it put down 258 whp and 235 ft. lbs.

The mods proved to make a really fun and enjoyable street car, that can also put down some decent numbers at the track.

Not one to be satisfied, our customer is already thinking of future modifications, including a fully built engine and trans along with a GT3076R! We’ll keep you posted…

Here are the modifications that were done this time around:

Turbo Toyotas Equal Length Manifold
Turbo Toyotas Slim Radiator Fans
Verocious Custom Aluminum Intercooler Piping
Blow-Thru MAF
Verocious Custom 3” downpipe and 3” V-band exhaust
Verocious Custom Wastegate Dump Tube
Custom Vibrant Oil Catch Can Setup
Tial Q 50mm Blow off Valve
IPT Valve Body Upgrade
Tuned by Verocious