The key mechanical difference between the S1 and S2 is their camshafts. S2 cam angle sensor’s shaft goes slightly distinctive in the exhaust cam. Aside from that. Mechanically sensible, they don’t have much comparison. 5L VQDE35 by 2006 plus the VQ35HR for later models. With 287+ horsepower with the manufacturing https://sandrao012cax1.wikitelevisions.com/user