Fuel pressure inquiry

[RYDRZ]

Meanwhile
Back in the hands of damien at raceway suzuki

Both grant & damein swaped fuel pumps, 3 in total

1-Original -133,ooo old

2nd- hand from vic wrekers$225.ooo (cost)
Kilometers unkown

3rd -Another busa tank + fuel pump...

They found the same system behaviour

In normal mode 40psi no load on the engine

Still in ' 1st the gear @ 9000rpm

Fuel pressure droped from 40-35-33psi

They firstly figgered my pump pressure

So i bought another from the wrekers

Same symtoms with that fuel pump

They tried another complete tank /from an 03
Model -same symtoms

So how do I get & keep fuel pressure at
40psi

New pump $990.oo
Or an addative of fuel pump pressure
Regulator,

So how do u turbo guys solve this issue

When then engine requires fuel-supply n demand

Where do i start ..????

Maj, are u listening ,is a fic modul needed

???

[Maj]

I would check the voltage at the pump,i think you may be loosing current at a bad connection like at the fuse or multi connectors or a relay
With the turbo i use an aftermarket pump , and the original fuel pump wire to trigger a new relay that has fused heavy wiring straight from the battery
and heavier fuel pump earth too direct to motor at the battery earth point, your fuel pump probably runs on 3 or so amps, mine uses 9

[Ken]

I just put one of these in my son's 2000 Hayabusa. He is taking it to Willowbank tomorrow night so we will see how it goes. They were saying how good they were on a US site.

Anyone have any experience with them?

For those that follow drag racing, my son's Busa is the one that won the NSW Championship round three the other week.

Ken

http://www.ebay.com.au/itm/ws/eBayISAPI....538wt_1393

[Greeny_SA]

I just put one of these in my son's 2000 Hayabusa. He is taking it to Willowbank tomorrow night so we will see how it goes. They were saying how good they were on a US site.

Anyone have any experience with them?

For those that follow drag racing, my son's Busa is the one that won the NSW Championship round three the other week.

Ken

http://www.ebay.com.au/itm/ws/eBayISAPI....538wt_1393

Would you mind letting us know what you think of it . Be worth having one in the spares cupboard .

[Maj]

$85 is good, looks like a walbro pump , but could be any number of in tank pumps, good to see someone has done the homework and put a cheap option out there

[Ken]

Yep, can guarantee it works now. We just got back from Willowbank. My son was running 9.50s at 142mph which is a slight improvement on his usual times at Willowbank of 9.6 to 9.7.

Simple to fit and was a direct replacement for the original. Not sure of the new price of Suzuki ones but I saw some on ebay for over $200.

The guy only charges $5 postage from the US too. Thinking of getting another one at that price for a spare or if someone needed one quickly.

Ken

[Greeny_SA]

Yep, can guarantee it works now. We just got back from Willowbank. My son was running 9.50s at 142mph which is a slight improvement on his usual times at Willowbank of 9.6 to 9.7.

Simple to fit and was a direct replacement for the original. Not sure of the new price of Suzuki ones but I saw some on ebay for over $200.

The guy only charges $5 postage from the US too. Thinking of getting another one at that price for a spare or if someone needed one quickly.

Ken

Thanks Ken ,Good news . I'll get one for the spares cupboard .

[bazman]

Yep....been lookin' at the exact same one, and good to know they're ok!