Max Boost
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MBWorld Fanatic!
Joined: Jul 2014
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2005 e55 AMG
Max Boost
So there are many pulley combo's out there with a lot of ten second cars. so the question is "How much boost will these engines tolerate on a daily basis" ? Aside from needing a map clamp of course and heat issues.
Super Member
Joined: Sep 2016
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E55 amg
Ask yourself this would you push a engine with weak rod bolts and glass pistons ??After a certain amount of boost I would worry about the heads lifting too.Dont push this engine past 15 psi daily on pump .
Senior Member
Joined: Aug 2009
Posts: 269
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From: Long Island NY
E-55,IS-250
from what I read anything over 17.5 you will run into problems.
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Joined: Jul 2016
Posts: 3,024
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From: Colorado, USA
E55 C63
aka 70mm SC pulley is the limit, or stacked setups:
180 - 83 =
168 - 76 =
70mm SC
headers can help drop the boost pressure
180 - 83 =
168 - 76 =
70mm SC
headers can help drop the boost pressure
Last edited by VictoryRoadPerformance; Dec 13, 2017 at 02:09 PM.
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From: Houston
2003 W211 E55, 2003 W220 S600
