Max power on stock fuel system

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07-13-2004, 05:34 PM

kaizenfighter

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Max power on stock fuel system

What is the most whp you guys think can be run on the stock fuel system. I'm looking to get a deadbolt upgrade on my vf39 and hoping to avoid the cost and labor of the fuel system upgrade. What IDCs are you guys running with your stock injectors and pump.

thanks

07-14-2004, 11:36 AM

RoadSpike

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Join Date: Feb 2004

Location: The Hunted Forest

Posts: 720

Car Info: Mazda Protege '02 (Wishing protege has AWD and a H6 twin turbo)

Quote:

Originally Posted by kaizenfighter

To my knowledge the stock injectors work at 90% maximum capacity. So if you plan on serious power boosts i would sugguest fuel upgrade too. At least the fuel pump and maybe boost the fuel psi.

07-17-2004, 06:05 PM

wrxtasy555

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Location: College Park, MD

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Car Info: 2002 Wrb WRX sedan

I'm looking to install a vf30 and sti injectors, would I need to upgrade the fuel pump as well? What about rails? Where do they come into the equation?
Todd

07-28-2004, 09:26 AM

nowayout

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Quote:

Originally Posted by wrxtasy555

I'm looking to install a vf30 and sti injectors, would I need to upgrade the fuel pump as well? What about rails? Where do they come into the equation?
Todd

fuel lines and rail are fine unless your running a really big turbo/ lots of boost.