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Stock Injector Fuel Pressure

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Old Aug 12, 2006 | 06:45 AM
  #1  
Evology's Avatar
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Stock Injector Fuel Pressure

just a small question here,

ive searched around.. but found no info on this. anyways, a friend of mine just got an evo.. and apparently, the previous owner didnt know how to mod this car, the car has a TBE, Crappy intake, HKS fuel rail and a SARD Fuel pressure regulator with stock injectors and stock ECU. i know the fuel pressure has been tampered with and i havent hooked up a fuel pressure gauge yet. what i want to know here is, what the stock fuel pressure is.. since the car is kinda going thirtsy for fuel when the turbo starts to spool. ive searched around, but didnt find an answer.
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Old Aug 12, 2006 | 08:38 AM
  #2  
Boosted GP's Avatar
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From: South Africa
According to my workshop manual

Fuel pressure: Vacuum hose disconnected: 289- 309 KPa (41.9- 44.8psi) at idle
Vacuum hose connected: 230 KPa (33.3psi) at idle

Mike
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