I have an 03' buick century with the standard 3100 SFI engine. Seens how the 97-05 Buick centurys never came with with the 3800 (to my knowlage). I was wondering if its possible to swap my 3.1L with a 3.8L supercharged engine out of a 97-05 Buick regal. Being more or less the same body style would it just drop in or would i have to change engine mounts or other things? Any info on this topic would be greatly appreciated. Thanks For lookin.