Maybe just some clarification is needed. The Boxster and Carrera share the M96 block which is available in 2.7, 3.2, 3.4, 3.6, and 3.8L. The GT3 and Twin Turbo share a 3.6L based on the old 964 block. Two very different engine designs. No IMS issues on the GT3 motor.
__________________
2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
|