This is the MCRParts.com archive. To get back to our main site, please follow this link: Ford Mustang3.8 stuff on 3.9(Click here to view the original thread with full colors/images)Posted by: MustangRich04 Can I put 3.8L parts on my 3.9L engine? Will it affect it in anyway? Most sites I find don't have 3.9L, they only have 3.8 Posted by: Mustang5L5 same motor externally...just a few more cu inches of displacement Posted by: kissajew86 unless you are going to rebuild the bottom end, you can treat the 3.8 and 3.9 the same Posted by: speedytang It was just a over bore on the cylinders. Ford Mustang Archive Home | General Tech | 5.0 Mustang Tech | 4.6 Mustang Tech | 3.8 Mustang Tech | 2.3 Mustang Tech | Classic Mustang Tech | Appearance and Sound | Virtual Body Shop | Initiation | The Lounge | The Showroom | Site Suggestions | Mustang Talk | 2005 Ford Mustang | Ford Lightning | Racers Bench | For Sale | Wanted To Buy | Northeast | SouthEast | Central | MidWest | West Coast | NEBOC
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