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Which fuel pump, and should I get the J3 re-tuned? 

 

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 Post subject: Which fuel pump, and should I get the J3 re-tuned?
Posted: Mon Dec 05, 2016 5:47 pm 
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Hi everybody!

So in all my wisdom I decided to change some stuff in the EF - I used injectors from an AU, fuel rail from a BA, and pressure regulator from an AU VCT..

Should I be upgrading the fuel pump or will stock be okay? And do I need a retune? Me thinks it might run rich.....
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 Post subject: Re: Which fuel pump, and should I get the J3 re-tuned?
Posted: Mon Dec 05, 2016 5:50 pm 
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Stock pump should be fine. Will definately need a retune

 

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 Post subject: Re: Which fuel pump, and should I get the J3 re-tuned?
Posted: Mon Dec 05, 2016 5:57 pm 
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ranga83 wrote:
Stock pump should be fine. Will definately need a retune


I guess I better get in touch with Jason again soon then. Is a retune likely to gain me any power from my fuel upgrades, or just make it less rich and more economical?
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 Post subject: Re: Which fuel pump, and should I get the J3 re-tuned?
Posted: Mon Dec 05, 2016 9:10 pm 
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5h4dy wrote:
ranga83 wrote:
Stock pump should be fine. Will definately need a retune


I guess I better get in touch with Jason again soon then. Is a retune likely to gain me any power from my fuel upgrades, or just make it less rich and more economical?



with the vct fuel reg it will make it richer than necessary, which means too rich will cause power loss and excessive fuel consumption..
for best results get a j3 and tune it as optimum fuel ratio will give best power results, or just fit a stock fuel reg..
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