
Spring Tuning Kit for Turbo Actuators
Now you can fine tune your turbo actuator to the exact needs of your engine with this complete tuning kit. In your actuator tuning kit, you will find four or five springs (dependent on your actuator) and the associated spring retainer. The strongest spring is the red, followed by the blue, yellow and finally the green which is the weakest. Please select from the options above if you require this kit for an 048 or 049 actuator. The 048 actuators are those with a big body, the 049 actuators are those with a standard size body. Piston 049 acuators and diaphragm 049 actuators use the same springs. The spring colour codes and their running pressures are as listed below. T2 049 (Small) Actuator Springs (Both Piston and Diaphragm Type 049): Green – running pressure 10 psi (0.7 bar) - spool up/opening pressure 5 psi (0.35 bar) Purple - running pressure 13 psi (0.9 bar) - spool up/opening pressure 7 psi (0.5 bar) Yellow – running pressure 15 psi (1.0 bar) - spool up/running pre