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08-09-2009, 02:54 PM
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#1
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1st Gear Red Line
Join Date: May 2005
Location: Toronto
Posts: 100
Car: 91 318is
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How much psi
whats up guys. i was planning on throwing a blower on my stock s52 and i was wondering how much psi can i run stock without blowing it ?
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08-09-2009, 05:20 PM
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#2
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KA24DET Expert
Join Date: Mar 2006
Location: brampton, ontairo
Posts: 225
Car: 2001 325ci
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I am going to guess 7psi with the right fuel tuning. (its all in the tuning)
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08-09-2009, 07:59 PM
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#3
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Eurowerke
Join Date: Aug 2003
Location: Toronto
Posts: 1,892
Car: 2011 BMW M3
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ive heard anything over 6psi, and your asking for trouble. yes tuning makes a huge difference but even then your reducing te engines reliability by quite a bit.
And before some guys on here with charged s52's come blasting about how theyve had their blown for years. Yes it also depends on how you drive it, if your a conservative driver that likes to play around once in a while, your ok. But if you are constantly beating on it, youll do some damage. Id recommend at least getting a commetic head gasket and arp head studs!
just my 2cents
Jay
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2011 M3 coupe/moonstone/fox red
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08-12-2009, 09:16 AM
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#4
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3rd Gear Member
Join Date: Sep 2008
Location: saskatoon
Posts: 457
Car: Vortech m3
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I'm running 11.5 psi.
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08-16-2009, 09:38 PM
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#5
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1st Gear Red Line
Join Date: May 2005
Location: Toronto
Posts: 100
Car: 91 318is
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hey thanks for the info
Quote:
Originally Posted by spoony_prelude
ive heard anything over 6psi, and your asking for trouble. yes tuning makes a huge difference but even then your reducing te engines reliability by quite a bit.
And before some guys on here with charged s52's come blasting about how theyve had their blown for years. Yes it also depends on how you drive it, if your a conservative driver that likes to play around once in a while, your ok. But if you are constantly beating on it, youll do some damage. Id recommend at least getting a commetic head gasket and arp head studs!
just my 2cents
Jay
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08-16-2009, 09:40 PM
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#6
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1st Gear Red Line
Join Date: May 2005
Location: Toronto
Posts: 100
Car: 91 318is
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what's done to your motor
Quote:
Originally Posted by black bnr32
I'm running 11.5 psi.
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08-16-2009, 11:55 PM
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#7
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3rd Gear Member
Join Date: Sep 2008
Location: saskatoon
Posts: 457
Car: Vortech m3
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nothing...hasn't been opened at all
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08-17-2009, 01:10 AM
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#8
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6th Gear Member
Join Date: Jun 2007
Location: Ancaster
Posts: 3,571
Car: '08 M3, '97 328is
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How about M52?
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08-18-2009, 08:22 AM
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#9
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1st Gear Red Line
Join Date: May 2005
Location: Toronto
Posts: 100
Car: 91 318is
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Wow ! Lol what are you running to the wheels and what kinda blower you running ? If you don't mind me asking
Quote:
Originally Posted by black bnr32
nothing...hasn't been opened at all
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08-18-2009, 09:20 AM
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#10
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3rd Gear Member
Join Date: Sep 2008
Location: saskatoon
Posts: 457
Car: Vortech m3
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~375whp on a vortech V1. Lots of guys do it btw...see bimmerforums! Obviously good tuning and aftercooling is key.
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08-18-2009, 10:48 AM
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#11
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if I lived . I would be ~
Join Date: Mar 2004
Location: Ottawa
Posts: 5,847
Car: e30 with e91 beater
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BlownM3 on here has been blown for a while, runs higher PSI than the setup was designed, has it tuned for each change he makes and drives the living piss out of it. In fact, he twisted a driveshaft last weekend..
Quote:
Originally Posted by Blown M3
This is what happens when your car hooks up at the drag strip
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08-18-2009, 10:41 PM
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#12
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4th Gear Member
Join Date: Jun 2006
Location: whitby
Posts: 690
Car: 2 e36's
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Im running 18psi with a Gt35r apr headstuds and an mls .140
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08-18-2009, 11:36 PM
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#13
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The Afro-stig
Join Date: Nov 2005
Location: TDot West End
Posts: 4,597
Car: Is Fast. ;)
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Quote:
Originally Posted by ///tyron
Im running 18psi with a Gt35r apr headstuds and an mls .140
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Wtf? Out of nowhere? Sweet! You gotta be @ 450+ RWHP. Pics? Stock tune?
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08-18-2009, 11:46 PM
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#14
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4th Gear Member
Join Date: Jun 2006
Location: whitby
Posts: 690
Car: 2 e36's
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Quote:
Originally Posted by e30_kid89
Wtf? Out of nowhere? Sweet! You gotta be @ 450+ RWHP. Pics? Stock tune?
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I only ran it for a few days, its way too much for the streets. I turned it back down to 12psi for daily. I mean wheel spin in 3rd ftw!
At 18psi i would say i was very close to 500rwhp.
Im on a custom tune, no pics of yet.
Its an
m52
apr2000
head studs
mls head gasket
spa manifold
gt35r
550cc injectors
custom charge piping/downpipe exhaust
i did all the work my self.
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08-19-2009, 12:20 PM
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#15
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3rd Gear Member
Join Date: Sep 2008
Location: saskatoon
Posts: 457
Car: Vortech m3
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And I thought our FI scene in Canada was pretty terrible...
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