1.4 Buick Big Turbos1. 4 Buick turbo upgrades 2010 and up NOTE: I designed 4 turbos for the 1. 4 LUV engine found in many Buick models. They fit many more cars I added a fitment chart at the bottom of this listing. These turbos all make power on a stock car with a stock tune, stock injectors, and stock valve springs. They also have the ability to be used on a tuned car with stock injectors, and stock valve springs. You can increase the boost on these turbos with