Background: While doing some work on my GTI that involved removing the exhaust I decided to measure how much the entire turboback exhaust setup would flow. The setup consists of a CTS turbo 3.5″ downpipe with CTS catalytic converter attached to an AWE track exhaust that has been modified with the addition of a Vibrant […]
Mk7 Exhaust Flow Test Read More »
Background: Progressively decreasing acceleration times during tuning with Stratified and clear signs that the cause was poor traction with the road led me to look into how much the tire contact patch changes with tire pressure. The hope was to find a “safe” lower tire pressure that would increase the tire patch to a size
Contact Patch Determination Read More »
The fourth revision of the Stratified E30 tune for my IS38 equipped GTI is producing the following results compared to the third revision. (rev 4 are the dashed lines and rev 3 are the solid lines) Boost pressure is slightly higher at boost onset and is no longer dipping around 5,000 RPM. AFR is staying
Stratified E30 Tuning – rev 4 Read More »
