The principle mechanical difference between the S1 and S2 is their camshafts. S2 cam angle sensor’s shaft goes somewhat distinctive in the exhaust cam. Other than that. Mechanically smart, they don’t have much comparison. 5L VQDE35 through 2006 and the VQ35HR for afterwards types. With 287+ horsepower through the manufacturing https://danieln723hfc2.wikiusnews.com/user