What is Turbocharger Porting?
JMTC High Performance Turbocharger porting and port-matching service. Our turbocharger porting service includes complete dis-assembly of the turbocharger followed by the porting service which includes grinding, port, and port-matching all internal turbocharger components. All internal surfaces are smoothed to remove the heat generating high friction surfaces, the port volume increased, and mating surfaces are matched. The Porting Service lowers both incoming and outgoing air temps, increases air volume, speeds up the air, and increases efficiency so your turbocharger can hold a stable target boost pressure and max flow to red-line.

The problem with the stock Turbocharger


Big turbochargers and even OEM ones have considerable difficulty holding a stable boost pressure and max flow especially when targeting extremely high boost pressures at high RPMs. This instability can cause your turbocharger to only reach the target boost pressure at the lower RPMs and instantaneously drop 3 to 6psi (known as a boost spike) lowering air volume or have unstable boost pressures throughout the RPM range. In extreme cases this can cause an uncontrollable boost spike that cases can contribute to engine damage in most cases it just cause torque and power to drop off at the top end which is when you usually need it most. (Click on the following link for the full article http://new.minimania.com/MINI_Cooper...orting_Service).