Originally Posted by Toby
The '13 cars did not have piston squirters, tune slightly revised, pistons are coated, head bolts are different, front clips rear taillights and interior is different, most '13 I have seen manual make around 390 rwhp 11-12 make 370-380. Handful of differences but essentially the same car
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My '12 M6 3.73 made 390/371 on your dyno with it's OEM engine and heavy cast 20" wheels. I haven't put it on the rollers with the new engine, but 2mph should be significant.
I much prefer the styling of the '11-12 front end and the black rockers (the painted ones make these cars look bloated) but otherwise I prefer the '13-14 cars. They're all good platforms for inexpensive fun.
PS - If I was going to buy a used 5.0, I would personally avoid a '11-12 car just because of my own experience and the fact I haven't seen a '13-14 engine let go. I'm sure it's happened but I'm not aware of it.
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