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Hi guys,

Couple of interesting alternatives are available atm to the usual Walbro GSS-341/Bosch 040 options:

AEROMOTIVE 340LPH 340 LPH 90PSI HIGH FLOW FUEL PUMP

These are pretty new I think, looks physically almost identical to the Walbro, claimed 340LPH flow, available on (ebay) here:

http://cgi.ebay.com/...n#ht_4609wt_933

some Supra-related info:

http://www.supraforu...w-charts-review

...and...

Deatschwerks DW300+

These look promising and cheap at $169 US thereabouts (considering the exchange rate)... claimed 300+ LPH.

http://www.deatschwe...-tank-fuel-pump

Look like the Walbro pump again, no Skyline-specific model fitments listed but here are the physical dimensions:

http://www.deatschwe...fuel-pump-tech/

Anyone used either of these? Anybody have any recommendations? I don't know where fuel pumps are really at these days... everybody still use the Walbros, or...?

cheers

DaveB

Edited by DaveB
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the 040 is too big for the stock setup

get the walbro, a guy down here in tas just bought a genuine one off ebay brand new for $140

same size as stock, easy to install, proven and cheap

One thing about both of these models is that they claim significantly higher flow rates than the walbro (300-340 as to 255) which I believe has poorer flow rate performance unless it's hard-wired anyway (though to be fair probably all pumps do?). Just something to consider...

the main thing to remember is that the c34's don't have a cradle like the skylines but instead have a box that clips to the bottom of the fuel tank

2011-01-29124455.jpg

so going any bigger than stock will be a big pain to fit nicely without hacking up the box

I was looking to run one of these but they were twice the price and they also draw twice the current. I came to the conclusion they are great if you cant fit twin Walbro's in, as the twins will flow more at a similar current. Of course not too many people will need a 1000hp ethanol system anyway.

Tom, that plastic box looks very similar to what the m35 has. It may not allow enough fuel to enter the container if you run the larger aeromotive pump as I have found with the twins. Its only a problem at under 1/4 tank.

I was looking to run one of these but they were twice the price and they also draw twice the current. I came to the conclusion they are great if you cant fit twin Walbro's in, as the twins will flow more at a similar current. Of course not too many people will need a 1000hp ethanol system anyway.

Tom, that plastic box looks very similar to what the m35 has. It may not allow enough fuel to enter the container if you run the larger aeromotive pump as I have found with the twins. Its only a problem at under 1/4 tank.

1000hp or 1000cc's??? farrrrrrrk

:woot:

So lets throw an ace in the pack hear

2x walbros = what..? 510lph?

To burn even 1 full capacity of a walbro you wd need serioisly big inj, running huge duty cycles.... With a tune and car to suit....

Why in gods cock would u need anything more than the quiet, easy to install, cheap, more than enough flowing walbro...:)

So lets throw an ace in the pack hear

2x walbros = what..? 510lph?

To burn even 1 full capacity of a walbro you wd need serioisly big inj, running huge duty cycles.... With a tune and car to suit....

Why in gods cock would u need anything more than the quiet, easy to install, cheap, more than enough flowing walbro...:)

because they only flow 255lph at some shitty low fuel pressure

ah just found the chart, they also only flow 255lph with no fuel lines attached, Ill assume the Stag lines are 5/16" same as the Skylines...so try and blow 255lph through a long maccas straw.

Bosch_044_vs_Walbro_255HP.JPG

please show me how it would be benefitial to have 2x walbros...

stock 25 inj run at 370cc... so all 6 at 100% duty (never come close to that safe) is 2220cc/per min...

1x walbro flows with no lines at 4250cc per min...

even half the flow rate for lines witch would never ever happen... and you could still run your injectors at ~99.6% duty... if someone was stupid enough to run this higher %. they deserve to be kicked in the head lol....

please show me how it would be benefitial to have 2x walbros...

stock 25 inj run at 370cc... so all 6 at 100% duty (never come close to that safe) is 2220cc/per min...

1x walbro flows with no lines at 4250cc per min...

even half the flow rate for lines witch would never ever happen... and you could still run your injectors at ~99.6% duty... if someone was stupid enough to run this higher %. they deserve to be kicked in the head lol....

scott upgraded the fuel lines to braided SS , pressure reg, and 1000cc injectors.

hence: beneficial to have teo walbro pumps.. the way its set up is, one pump runs one fuel rail(theres two as v6) so makes if efficient!

1000cc is just the spec of inj....

what sort of duty is he running... all these mods mean nothing more than the amount of fuel the car ACTUALY chews per min...

im not saying what hes done is wrong or right... just wondering why he has done what he has more than anything.

and wouldnt the braided lines flow much better than stock...?

having 6000cc worth of inj

and 8500 worth of fuel suply,

at 100% duty. he has 30% or so too much fuel b4 the lines... leaving him well ahead.

what sort of % would he run?

Edited by chef_stagea

he maxed out the fuel lines on the last run. with the gtx going in he wanted to be safe so he knows that atleast his fuel system will be able to cope.

i think i recall him saying that he had already made the twin pump setup before he found the problem to be the lines, so he used i9n anyway.

but can definitely see your point.

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