Does anyone know which spring rate to get to run the turbosmart IWG-75 on the stock tune ?
here is a link to the accessory springs:http://www.turbosmartdirect.com/Product-Categories/IWG-75-Internal-Wastegate-Actuator-Springs/
here is a link to the accessory springs:http://www.turbosmartdirect.com/Product-Categories/IWG-75-Internal-Wastegate-Actuator-Springs/