I Know Its Been Done To Death.. But..

[Yeedogga]

I've read a few dozen posts about fuel system upgrades but I have a few additional questions I have been wondering about.

Car is stock at the moment, just a FMIC + 3" exhaust

I have a 10psi R32 actuator at home to put on and plan to get a Toshi remap/ high flow in a few months. Pretty basic, well trodden path stuff. Who knows where it will end up.

I want to upgrade the fuel system as a precaution, my options are;

Walbro intank $160ish

040 intank $220ish

Stock intank, surge tank under car, 044 external $300ish

My thinking is that Nissan obviously did some R&D into fuel pump placement etc to ensure that there was no fuel starvation, even when the tank was basically empty.

Will a generic intank pump be guaranteed to do the same kind of job? I'm a little worried about chopping and changing stuff inside the fuel tank (not because I'm incompetent) cos if something goes wrong (I have read lots of failure stories about the Bosch + Walbro intanks) it is a prick to have to service..

So, other option, will the stock in-tank pump be happy feeding a 1L surge tank, feeding a bosch 044? IE; will there be less load on the stock pump, can it happily keep up with an 044 at WOT.. Will this carry on forever so I wont have to re-do it (the real motivation here)

OR am i thinking way too much about this, it being a street driven, slow 'ol boat.. Any input appreciated.

Cheers

[R31Nismoid]

what mods?

what power you after?

[2LV8ETR]

As always, Pandora's box is going to open here with a variety of people saying this and that are crap.

I've run a Walbro 455hp for 2 years now with no issues, and a friend is also running a Walbro with no issues.

I heard bad stories about them but I would say that those stories derived from the influx of Chinese knock-offs that flooded the market a while back.

Another mate has had many issues with Holley pumps, but those were addressed when he installed a Bosch item.

You can research all you want with this man but most of the high-powered brutes I've seen have used Bosch pumps. But I can honestly say that the Walbro's we've used have stood strong.

[TiTAN]

the stock fuel pump will be fine with the level of modifications you have, no point fixing what aint broke at that level of modification.

[GT-RZ]

stock pump being used as a lift pump is a good idea imo. won't run out of flow. not like you will be driving around flat foot continously to empty out your surge tank (even if you had double your target hp).

if you want a lifter to the surge tank it's either use the stock one or buy a lift pump. really is a waste using a 044 or walbro as a lifter.

personally i think the surge tank option is the best way. And really if your going to do something, do it once and do it right. Rather than buy a cheaper setup now to save $$ because your setup will be fine with it. may as well invest and be ready for the next upgrade.

Edited June 11, 2009 by GT-RZ