The ECU on the 2005-2010 is constantly relearning. This is why it’s so difficult to tune. This article unveals more about the relearning process.
Category Archives: performance upgrades
Warning: reading this may cause spontaneous mod addiction. From bolt-on mods that sharpen throttle response to suspension upgrades that transform handling, this Performance Upgrades hub is your go-to resource for squeaking out extra power, efficiency, and driving experience of your 2005–2010 Scion tC. Whether you’re chasing more horsepower, better fuel economy, or a smoother ride through the twisties, dive into step-by-step guides, real-world install tips, and honest insights. Your next mod starts here!
general info, performance upgrades
Drove 391 miles on full tank for 31.56 MPG sustained freeway run San Diego to Bay Area
In this article I show you how I acheived almost 400 miles on one tank in my 2006 Scion tC on a sustained freeway drive from San Diego to The Bay Area
performance upgrades, replacement part
Quantum VVTI solenoid installation 2005-2010 Scion TC: Get better gas mileage on long drives
In this article I show you how to install the VVT oil control valve solenoid made by Quantum Solenoid
performance upgrades, suspension upgrades
GReddy pn 14013032 rear upper strut tower bar installation 2005-2010 Scion tC
Installing a rear upper strut tower bar is an easy DIY upgrade that improves handling, reduces flex, and sharpens rear-end stability.
performance upgrades, suspension upgrades
DC Sports CSB1403 front upper strut tower bar brace installation Scion tC
In this article I show you how to install the DC Sports front upper strut tower bar. Step-by-step DIY guide with tools, tips, and what handling gains to expect.
exhuast system, performance upgrades
Header options for the 2005-2010 Scion tC, gaskets, torque sequence and values
In this article I review some header options available for the 2005-2010 Scion tC and why installing headers (alone) result in very little performance gain
In this article I show you how I setup the cold air intake I found used on the Facebook Marketplace