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      04-01-2017, 02:02 PM   #12
ARC550
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Drives: M3, X5, 720s, X5, 750xi
Join Date: Nov 2013
Location: New York

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Quote:
Originally Posted by TrevorM3 View Post
Quote:
Originally Posted by M6-Coupe View Post
555 WHP? You know this is translated to over 620 HP at crank right?
It's a little too high for a stock car ....
gmd2003



all of these cars are understated from factory. Even the m3,s and m4's.


dyno your m4, i bet you make more than you think...


and fwiw, i dyno'd 550 with just a dp, and i have cp. so figure i'd be at about 540ish w/o the dp.
still translating to over the "575" crank figure.
540-560 Dyno and the numbers will vary depending on Dyno jet, correction factors, weathers and quality gas so their you go. 540-560 is very common.
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