GM>Quad 4's are 2.4 L youre right a turbo would be nice on one Quad 4 comes in 2 flavors, 2.3 and 2.4l. 2.3l is oversquare, 2.4l is undersquare. Change year in cavalier is 96. When I get home I'll see if I can dig up a site of someone that's got a t/c quad 4. Shannen