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Old 22-09-2007, 11:59 AM   #8
xr8ute
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Join Date: Dec 2004
Location: Wollongong, NSW
Posts: 3,205
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Quote:
Originally Posted by ratter
You will gain a little power by leaning it out, but not as much as you list, timing is where you will get your power from
Agreed, I was going to make the same comment.

Stav, what was your fuel rail pressure when it was last tuned? That that is really the fuel rail pressure you should keep it at.

If you need to run a higher fuel rail pressure becuase your injectors are maxing out, then set the rail pressure (say 50-60psi w/vac disconnected), and take it back to your tuner so they can at least adjust the injector slopes to compensate.

It would be better just to fit bigger injectors though, and run them at the fuel pressure they are designed for.

As for how much more power it makes? Only time will tell, but I wouldn't be betting on 20rwkw.... ;)
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AU XR8 Ute 13.90 @ 100mph - http://www.aufalcon.com/xr8ute
5L Windsor, GT40X heads, Crane 2030, Pacey 4-1s, Lukey 3", 3.91:1, auto. Tuned by me w/Quarterhorse and BinaryEditor.

Coming Soon: Ported lower intake, Tickford "Premium" Brakes, and a good wash.
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