Common Modifications Guide Dodge SRT-4
Part of content: These modifications could lead to powertrain warranty restriction. Increasing Boost and Changing Other Engine Parameters : Aside from simply replacing the stock actuator (fig.1) with a different one, there are a few ways to modify the operation of the stock unit. Adjustable metal tee used to bleed the wastegate actuator hose. It’s even easier for owners to do a “spring mod” by simply attaching a spring to the rod to increase the preload on the wastegate.
Example of an electronic driveradjustable wastegate system. Another method of increasing power is to replace the factory turbo unit with a larger aftermarket one, or a kit to increase the power of the existing turbo. The idea is the same: to increase boost, and therefore, power.
