Upgrading Fuel System

[grandmasterb]

Ok so at the moment i only have the GTR fuel pump and its making a few unhealthy noises :lol:

Car in question is a R32 GTST with a TD 06 and a few other mods.

So its got me thinking to what im going to do.

Im toying with the idea with a swirl pot and different fuel cell but then its just a road car so dont really need to go that far.

Do i just buy:

new pump like a 040

change to an external pump set up with a 044

fuel pressure regulator/rising rate regulator

new fuel rail.

Any comments or ideas to point me in the right direction are much appreciated.

Cheers B

[R31Nismoid]

just a intank bosch will suffice for a road car

[grandmasterb]

just a intank bosch will suffice for a road car

<{POST_SNAPBACK}>

so just go the 040 you recon.

I get out to the track but not as much as i like these days cause of work.

Im running about 1.3bar at the moment and waiting to do a few other mods and get Dr Drift to do the tune to see what power we can get out of it.

But want to make sure that the fuel system will manage and also do away with the extra injector set up.

Cheers B

[R31Nismoid]

yeah i reckon, if you havent had surge problems in the past, bosch intank (mounted correctly)

Should be perfect

[grandmasterb]

yeah i reckon, if you havent had surge problems in the past, bosch intank (mounted correctly)

Should be perfect

<{POST_SNAPBACK}>

no surge problems that have been fuel related as far as i know.

Would you suggest on replacing the lines as well or just give them a good flush?

Cheers for the help R31Nismoid.

I'll have a look in the sponsors section to see if i can find one

Cheers B

[R31Nismoid]

i used stock fuel lines on my 25/270rwkw

should be arite i'd imagine

[satanic]

Can anyone shed some light on how to effectively mount a Bosch 040 into a R34GTT?

I've got one in there at the moment, but after going for a test run last night there was some surging. Problem is that the stock pump uses a "sock" which WILL NOT go onto the 040 due to size differences.

Sorry to rob the thread but yes, any help is good.

[satanic]

Oh forgot to add that the surge effect was experienced going at 80km/hr up hill through a sweeping left turn. Fuel tank was at the half way mark if that is any indication.

If anyone can shed some light, or even direct me to somewhere that shows exactly how to fit the fuel suction thing (fabricated I assume) I'll be most appreciative

[grandmasterb]

i used stock fuel lines on my 25/270rwkw

should be arite i'd imagine 

<{POST_SNAPBACK}>

SHould be fine then with a full flush

Can anyone shed some light on how to effectively mount a Bosch 040 into a R34GTT?

I've got one in there at the moment, but after going for a test run last night there was some surging.  Problem is that the stock pump uses a "sock" which WILL NOT go onto the 040 due to size differences.

Sorry to rob the thread but yes, any help is good.

<{POST_SNAPBACK}>

HA HA HA

that was my next question, is it a good idea to run the fuel sock and how do you mount it "correctly"

[R31Nismoid]

i think it quietens them down more than anything else.

My crap - useless - piece of junk walbro came with its own one.

not required though.

surge sometimes is a few things stan

could be a pump in not-so-good

pump not mounted not-so-good

I cant say i ever had surge (HR31 tank) unless i had 1/3 or less

1/2 a tank and surge is more likely one of the "not so goods"

[grandmasterb]

i think it quietens them down more than anything else.

My crap - useless - piece of junk walbro came with its own one.

not required though.

surge sometimes is a few things stan

could be a pump in not-so-good

pump not mounted not-so-good

I cant say i ever had surge (HR31 tank) unless i had 1/3 or less 

1/2 a tank and surge is more likely one of the "not so goods" 

<{POST_SNAPBACK}>

Cool

well i'll throw it on for good measure.

They are pretty straight forward to mount i take it, do i have to take the tank out of the R32 or is there allocation made with a panel to get access???

Cheers B

[Reedy]

I've got a similar fuel problem which was happening 2 weeks a go at Eastern Creek and I hope you guys could help with as I'm not sure if it surging or fuel rate problem.

When doing a sharp right hand turn (turn 9) with a third of a tank left coming out of the corner I would get no power and the car would misfiring.

When I filled the tank up again it went away. I have and 270rwkw r33 gtst with a bosch 040 fuel pump and 555cc injectors.

Do I need a surge tank or fuel regulator? Any help much appreciated.

[R31Nismoid]

If the pump is as low as it can get in the tank.

Then surgie time.

Either that or use a fuller tank

[satanic]

So what's the trick? Should I extend the intake hose that we've fabricated? Or simply lower the pump further into the tank?

Option 1 will be easier...

I would've thought that less surging would occur if the pump was lower into the tank???

[Sydneykid]

So what's the trick?  Should I extend the intake hose that we've fabricated?  Or simply lower the pump further into the tank?

Option 1 will be easier...

I would've thought that less surging would occur if the pump was lower into the tank???

<{POST_SNAPBACK}>

This happens all the time, usually because the pump is mounted too high and has no extension of the pick up point towards the bottom of the tank. The best way is to duplicate the standard pump location and pick up point EXACTLY. Nissan obviously spent a lot of time researching the best pick up location for the fuel tank shape, best to copy what they have done.

My local AutoOne, AutoPro, AutoBarn, Repco, SupaCheap etc has a pile of fuel fittings, hoses and adaptors. I just take the 2 pumps in there and mix and match bits until I get what I want.

cheers

[satanic]

Thanks SK...

Well my mate is playing around with it today; I'll see what he comes up with, apparently got some fancy hose from Enzed and says it'll do the job

If not, I guess we're going to mix n' match!

[R31Nismoid]

Yep, as SK said, its a fair bet people that have problems on 1/2 full tanks have the pump mounted too high or incorrectly.