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Old Tue, Jul-24-2018, 11:48:37 PM   #1
Nicholas1996
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Default How much boost are stock motor guys running?

Setup is 6266 with a stock motor (rod bearings replaced) on e85. Big intercooler. AEM Infinity for management. I want to know where is too much. Max psi kits runs 18psi on e85. I am running a similar setup. Would 15 psi doable as far as stock motor holding up? Thanks
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2003
Topaz Blau
PTE 6266 on E85
AEM Infinity.
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Old Wed, Jul-25-2018, 04:40:37 PM   #2
B18c1turboedek
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Default Re: How much boost are stock motor guys running?

Yes a stock block will take 15psi. You should make 650ish on a stock block easy. I love the infinity system
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Old Wed, Jul-25-2018, 11:38:49 PM   #3
Tchleung
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Default Re: How much boost are stock motor guys running?

Quote:
Originally Posted by Nicholas1996 View Post
Setup is 6266 with a stock motor (rod bearings replaced) on e85. Big intercooler. AEM Infinity for management. I want to know where is too much. Max psi kits runs 18psi on e85. I am running a similar setup. Would 15 psi doable as far as stock motor holding up? Thanks
Mileage? Never split motor for head studs/head gasket?
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Old Thu, Jul-26-2018, 12:00:08 AM   #4
Nicholas1996
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Default Re: How much boost are stock motor guys running?

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Originally Posted by B18c1turboedek View Post
Yes a stock block will take 15psi. You should make 650ish on a stock block easy. I love the infinity system
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Topaz Blau
PTE 6266 on E85
AEM Infinity.
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Old Thu, Jul-26-2018, 12:00:45 AM   #5
Nicholas1996
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Default Re: How much boost are stock motor guys running?

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Originally Posted by Tchleung View Post
Mileage? Never split motor for head studs/head gasket?
108k. no headgasket work done.
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Old Sat, Aug-04-2018, 10:10:33 PM   #6
S54 TBO
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Default Re: How much boost are stock motor guys running?

WOW!! my car should be ready for mapping in the next couple of weeks and im worried about running 8psi!! pump fuel. Wish E85 was available here in the U.K
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Old Mon, Aug-06-2018, 03:12:40 AM   #7
Nicholas1996
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Default Re: How much boost are stock motor guys running?

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Originally Posted by S54 TBO View Post
WOW!! my car should be ready for mapping in the next couple of weeks and im worried about running 8psi!! pump fuel. Wish E85 was available here in the U.K
What setup are you running?
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Topaz Blau
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Old Thu, Aug-09-2018, 09:04:29 PM   #8
S54 TBO
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Default Re: How much boost are stock motor guys running?

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Originally Posted by Nicholas1996 View Post
What setup are you running?
Stock compression
Aem infinity
Garret t04z ball bearing turbo
Custom equal length tubular manifold
HPF inlet manifold
Injector dynamics 1000cc injectors
Custom exhaust no cats

Car made 380whp at 7000rpm very conservative

My tuner has put a rev limit to 7k rpm, i told him to take it to 8k so should make over 400whp which I donít think is to bad on pump fuel and high milage standard engine.

Having issues at the moment with crank senor and a few other bits to sort before we can put it back on the dyno
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Old Fri, Aug-10-2018, 02:11:16 AM   #9
Nicholas1996
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Default Re: How much boost are stock motor guys running?

Quote:
Originally Posted by S54 TBO View Post
Stock compression
Aem infinity
Garret t04z ball bearing turbo
Custom equal length tubular manifold
HPF inlet manifold
Injector dynamics 1000cc injectors
Custom exhaust no cats

Car made 380whp at 7000rpm very conservative

My tuner has put a rev limit to 7k rpm, i told him to take it to 8k so should make over 400whp which I donít think is to bad on pump fuel and high milage standard engine.

Having issues at the moment with crank senor and a few other bits to sort before we can put it back on the dyno
Sounds like a fun setup!
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Topaz Blau
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AEM Infinity.
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Old Thu, Sep-13-2018, 12:51:45 PM   #10
e46Dan
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Default Re: How much boost are stock motor guys running?

Currently at 19-20 psi. 6266 on e85
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Discussing How much boost are stock motor guys running? in the Forced Induction (F/I) Forum - Discuss the ever growing F/I options here! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)