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| dead xr |
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just bought a supercharged au xr8 5L. it currently puts out 410 horses at the wheels, and am looking for more. The guy i bought the car off said that with bigger injectors and fuel pump i could get 500hp atw. wondering what size injectors and pump you guys recommend.
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| EDXR8 |
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410rwkw
 obviously a lot of other mods have been done to the engine. Even at the current power level you will need somewhere around 42lb injectors and decent fuel pump, to go for more power you will need to look at 50lb+ with at least a 255l/hr fuel pump. However at 410rwhp you are at the limit of the blocks strength, if you want to push it much further start saving for a FMS or Dart block.
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| ElwoodBlues |
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he said 410hp not 410kw
but still thats huge power
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| EDXR8 |
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ElwoodBlues wrote: he said 410hp not 410kw
but still thats huge power Yep thats 305rwkw, it takes a lot to break 300rwkw on a 5L |
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| Big Kev |
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EDXR8 wrote: ElwoodBlues wrote: he said 410hp not 410kw but still thats huge power Yep thats 305rwkw, it takes a lot to break 300rwkw on a 5L yeah thats a hell of a lotta grunt for an auxr8
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| xr8ute |
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Thats a lot of power. Maybe enough to even look at fuel lines, fuel rails and so on.
Probably best to take to someone who is experienced in building high horsepower EFI fuel systems... No point stepping up fuel pump and injectors if the rest of the fuel system is already maxed out. I have plans to blow the sh!t out of my AU as well. I'd be really keen to see some pics and here more about your car. Sounds like a weapon 
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