Commentary Are there really two different GM cranks carrying the same casting number? Advertisement ByEngine Builder on Jan 1, 2003 A. According to the AERA Technical Committee, the answer, regarding crankshafts for the GM 2.2L VIN 4 engines built from 1996-AdvertisementClick Here to Read MoreAdvertisement Advertisement In this article:Shop Line Commentary: The Hits Just Keep on Coming Commentary: Engine are Awesome, but There’s so Much More to Explore Commentary: Stuck in Peru Commentary: Diesel Dominance Advertisement VIDEOS Watch Engine Builder's latest discussions and explanations. SHOP Shop the latest Engine Builder merchandise. SUBSCRIBE Stay up to date by signing up for the Engine Builder newsletter.