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Does your 95 Grand Prix have any problems? Meaning, why don't you just give her the Grand Prix instead of doing the engine swap? I'm just saying that because I like that generation of Grand Prix better than the Malibus. Anyway, if you're searching the internet for info, the Malibu has a LG8 code engine and the Grand Prix is a L82. 60degreev6.com has some good info on these swaps, you'll have to look around a little. Since the EGR stuff is different, you might want to keep the intake manifolds from the Malibu engine, but that introduces other issues. What you're wanting to do has been done before, although often the other way around (newer engine in older car) so hopefully you can find the info you need. Do you need to pass emissions where you live? That might impact your decision on the EGR issue. The 95 grand prix is OBD 1.5 and the Malibu is OBD 2.0.