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Author: Subject: Fuel pump....
iiyama

posted on 4/2/08 at 07:12 PM Reply With Quote
Fuel pump....

....for a Hayabusa. What to go for?

Want to future proof it just in case, so reckon 204L/hour at 3 Bar is enough? Lock out is 11 Bar. Or should I be looking for more?





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MB CUSTOMS

posted on 4/2/08 at 07:29 PM Reply With Quote
The standard hayabusa fuel pump is capable of flowing up to 200bhp worth of fuel,any tuning above this level starts showing a lean condition,where an upgraded pump is needed.






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iiyama

posted on 4/2/08 at 07:43 PM Reply With Quote
Hence the part where I said future proofing! I dont have the standard pump and I dont know what its rated at either which brings me back to the question!





If its broke, fix it. If it aint broke, take it apart and find out how it works!

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MB CUSTOMS

posted on 5/2/08 at 05:28 AM Reply With Quote
If you want to go over 200 bhp safely you will need a Bosch 957 fuel pump rated for up to 5oo bhp a large bore fuel rail,a set of bigger injectors, std injectors are only 240cc and a suitable pressure regulator, such as aeromotive.






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iiyama

posted on 5/2/08 at 08:03 AM Reply With Quote
Aeromotive regulator fitted with a SPA digital fuel pressure guage. Uprated fuel rail good for around 600bhp. Injectors are stock, (at the moment). All fuel lines are -6.





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