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E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm}


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Old Thu, Jul-11-2019, 09:45:35 PM   #1
stash1
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Default Stroker S65

I mostly hang in the E46 sekshun, but saw this on another forum and figured you guys might like it...

https://www.m3post.com/forums/showthread.php?t=1632771
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Old Fri, Jul-12-2019, 03:02:46 AM   #2
digger
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Default Re: Stroker S65

s65 like the s85 certainly needs the cubes to start to become efficient.
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Old Fri, Jul-12-2019, 06:37:05 PM   #3
stash1
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Default Re: Stroker S65

Quote:
Originally Posted by digger View Post
s65 like the s85 certainly needs the cubes to start to become efficient.
Yep, torque really seems to pick up w/the extra cubes...although I'm a little suspect of those baseline numbers? 370HP sounds a bit on the generous side to me for pulleys only?
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Old Sat, Jul-13-2019, 02:12:54 AM   #4
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Default Re: Stroker S65

wtq/L is closer to where it needs to be now. stock is like 250/4 = 62.5tq/L which is what stuff in the late 80's early 90's was doing...lol

370/4.6 = 80 a huge ~30% improvement in peak VE

its a dyncom dyno...

https://my350z.com/forum/vq35hr/4055...s-dynojet.html

enough said.

350whp/250wtq is about a dynojet stock number
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Discussing Stroker S65 in the E90 M3 (Sedan) | E92 M3 (Coupe) | E93 M3 (Convertible) (2008-2013) Forum - {Engine: S65 - Max Hp: 414 hp (420 hp Euro) at 8,300 rpm / 295 lb/ft at 3,900 rpm} at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)