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GTR Fuel Pump into GTSt - Should it be so loud ??

Mr Rb20

By Mr Rb20,
in Engines & Forced Induction

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BHDave Grand Master

BHDave

Posted
Posted

GTR pumps are noisier than GTS-t pumps.

Most of the import nissans have a switching current thing happening so the pump runs slower at idle and makes less noise.

Silvias and 180s definately have it. I'd be pretty sure the GTS-t has it too if your pump gets noisier off idle.

Only way to be certain it's ok is to have it checked out by a pro if your really worried

TTT Grand Master

TTT

Posted
Posted

Dan. Yes it is normal.

All gtr fuel pumps are like that..

The one I just got put in is the same.

at idle is is a slight hiss and as soon as you touch the accelerator, it goes in to a high psssss sound, then back to low when it gets back to idle..

it's fine.. don't worry about it..

benm Grand Master

benm

Posted
Posted

I put a Bosch 040 pump in my GTS-T about a month ago and you can hear it at idle sometimes but when you get going I can't hear it at all (engine noise and other noises take over it).

Was the pump mounted intank ?

Mr Rb20 Community Regular

Mr Rb20

Posted
  • Author
Posted

Jay95R33 - I have a mate that has a R33 GTR and you can't hear the pump in his car either. That's why i was getting worried. Maybe they have insulation to stop you from hearing them.

But, after making some phone calls, getting the pump checked and judging by the comments on here, the pump is 100% fine.

GTST - It is a R33 V-Spec pump so i'm not sure of what it flows, i just know it performs much better then a standard one !!!

benm Grand Master

benm

Posted
Posted

*GTST pump is 135 litres per hour and supports 300 bhp at standard pressure

*GTR pump is 190 litres per hour and supports 420 bhp at standard pressure

*Bosch 910 pump is 200 litres per hour and supports 450 bhp at 73.5 PSI # 0 580 254 910

*Bosch 975 pump is 228 litres per hour and supports 500 bhp at 73.5 PSI # 0 580 254 975

*Bosch 984 pump is 228 litres per hour and supports 500 bhp at 73.5 PSI # 0 580 254 984

*Bosch 044 pump is 330 litres per hour and supports 730 bhp at 73.5 PSI # 0 580 254 044

*Bosch 040 pump is 235 litres per hour and supports 520 bhp at 73.5 PSI # 0 580 254 040

As found from here

I'm using the Bosch 040 which cost $340 supplied and fitted.

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