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 »
Background: This post continues a comparison of results using an open intake versus a closed intake. Setup: The closed intake is from Eventuri and the open intake is the Eventuri, minus the front portion that seals with the GTI grill. The GTI is equipped with an IS38+ turbocharger tuned to produce 28 psi upon boost
Open Intake vs Closed Intake Continued Read More »
