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Old Feb 24, 2006 | 04:26 PM
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Fkatz
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Default Turbo Fuel Management

is the fuel management system they sell on ebay made by obx racing any good it says that it runs throught the stock fuel pressure regulator yet still increases the fuel pressure is this possible or should i just get an adjustable fuel pressure regulator any input appreciated thanks
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Old Feb 24, 2006 | 05:38 PM
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You need something tunable. An FMU, regardless of who it is made by, is the worst option you can take. Get some larger injectors and a chipped ECU.
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Old Feb 24, 2006 | 05:43 PM
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a fmu works to some extent but its low budget you get what you pay for with cars, your best bet like shmo said is injectors and some type of ecu tuning, weather it be hondata, crome, uberdata ect. just remember wha really determines how much fuel your engine gets it the ecu so you can increase the pressure but is your motor utilizing it no...
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Old Feb 24, 2006 | 05:56 PM
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Screw what anyone tells you about fuel pressure. Nothing electronic will ever affect your fuel pressure for any reason. It's driven from a fuel pump running on a fused circuit straight from your battery. The fuel pressure regulator has no electrical connections. It's vacuum actuated. If you want turbo fuel management, start with a real fuel pressure reguator that you can tune (like Aeromotive).

The stock unit is a POS on a turbo setup. For $200, you can buy all the lines and fittings to run -6AN hoses all the way to the tank for the send and return lines. For $100 you can get a Walbro fuel pump. For $140 you can get an AEM fuel rail (optional). Slap your choice of injectors in there ($260), and get something (ie... Hondata) that has the ability to make adjustments for different sized injectors.

If you want to do the AFC hack, get a wideband o2 setup + EGT and you'll make much better use of your turbo. You're going to have to spend $ one way or the other. Wideband setups aren't cheap and neither is a real fuel system.

No tone in this... I'm bent for other reasons tonight.
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Old Feb 24, 2006 | 07:57 PM
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thanks for the input i think that answers my questions i do have a walbro fuel pump and some 550 cc the RC injectors i just needed to figure out what to do w/ the fuel pressure a horegulator i do want ndata but don't have the money for it i was thinking VTEC controller does my ecu have to be OBD I or can it be OBD II thanks for the help i appreciate it
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Old Feb 24, 2006 | 08:07 PM
  #6  
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You should look into uberdata. You can get a chipped ECU and good basemap from a friend of mine (AIM SN: UNCGOLF25) for a great price. Uberdata is a great way to tune your set up, you can also use CROME as its basicly the same thing, if not a little better.
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