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Forced Induction Forum
Discuss supercharging, turbocharging and even nitrous and water injection here.

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Old 07-30-2016, 02:37 AM   #1
330cijunkie
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S54 dishing out 19 psi

2003 BMW m3. Can a stock, never opened s54 motor with a 62 turbo run 19 psi on 91 pump. Wouldn't that put the block in danger? Wouldnt you have to be running e85 to get 19 out of that motor without putting the block at risk? Explain? I don't understand life...
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Old 07-30-2016, 05:43 AM   #2
cosmos328Ci
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Originally Posted by 330cijunkie View Post
2003 BMW m3. Can a stock, never opened s54 motor with a 62 turbo run 19 psi on 91 pump. Wouldn't that put the block in danger? Wouldnt you have to be running e85 to get 19 out of that motor without putting the block at risk? Explain? I don't understand life...
Just reduce timing.
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Old 08-07-2016, 08:40 AM   #3
Nicholas1996
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Most likely needs ms109 or some other fuel. But if you reduce timing like mentioned before , it will be safer
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Old 08-08-2016, 09:39 AM   #4
mike@maximumpsi
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Nobody is running a turbocharged stock s54 19psi on 91 octane for long.
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