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Old 09-07-2009, 09:11 PM
SxLxAxVxExN's Avatar
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Default From turbo to stock.. need help

So my turbo motor blew (carillo H beam rod went thru the case) so I put a stock motor in the bike and took the turbo off, now the issue I'm having is this:

I am still running the bosch inline pump and begi fmu due to the fact that I'm still lookin to buy a stock fuel pump. Fuel pressure has been set at 42 psi with a stock map stock injectors but she's running too rich and is cutting off under WOT.
So I lowered the fuel psi to about 32 or so and its still cutting off under WOT.
What is the stock fuel psi supposed to be at? I'm clearly doing something wrong. Oh and I am only running the map sensor, intake air sensor.
Any suggestions?

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07 Busa
05 GSXR 1K
09 GSXR 1K
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Old 09-08-2009, 08:07 AM
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Default Re: From turbo to stock.. need help

you don't want a regulator that compensates. Is your fuel pump wired into the OE fuel system harness? The ecu adjusts voltage to the pump.

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Old 09-08-2009, 01:40 PM
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Default Re: From turbo to stock.. need help

yes fuel pump is wired to the oe harness, and the vacuum lines aren't hooked up on the fmu so its running steady 43lb fuel pressure.

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07 Busa
05 GSXR 1K
09 GSXR 1K
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Old 09-08-2009, 02:05 PM
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Default Re: From turbo to stock.. need help

Just go back with the Turbo
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Old 09-08-2009, 03:25 PM
SxLxAxVxExN's Avatar
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Default Re: From turbo to stock.. need help

haha no thanks, turbo stuff will be up for sale shortly.
anyone ever see a rod do this?
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07 Busa
05 GSXR 1K
09 GSXR 1K
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