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Hi,

About to finally put my 2835 pro s turbo kit on my r33.

I thought the 255lph walbro pump I have now might be at its limits? So looking for the next easiest fuel pump upgrade for it?

Looking at the following options:

Bosch 040 clamped to the original cradle

Bosch 044 mounted in tank with a male screw in fitting and modified sock - post-15190-0-85766800-1382582511_thumb.jpg

Walbro 460 lph pump - http://www.skylinesaustralia.com/forums/topic/410989-all-new-walbro-460lph-e85-in-tank-fuel-pump-strainer-kit/

We all know working on r33 pumps is a massive PITA, so I dont wana over complicate things, just pull the current setup out, rig up something easy and drop it back in.

Thanks in advance,

Matty

Best/Easiest is a Nismo/Tomei/HKS pump (all the same pump, Tomei is usually the cheapest)

But this is pricier then a new Walbro. You were asking for the Best/Easiest though so thought price might not have been such an issue

Do that, and maybe do the direct feed re-wire if you want to make sure its getting full power all the time

255 should be fine, but as i found out years ago... Sometimes they are not, even a few months old, if you are running a bit of boost as the Walbro simply don't perform when higher rail pressures are asked of them where the Bosch/Nismo etc kick goals.

So either take the try and see approach OR - Do what 89CAL said, right on the money as always.

my tomei pump didn't like it at all when I put 6 bar fuel pressure through it...

87psi......

Why that much? :S

My Tomei pump has been perfect for the last 4-5 years. Isnt loud, does the job, and has never played up. Great pump :)

Nothing against any others, I havent used them so I wont comment for or against. But the Tomei pump comes with everything, in a cradle, ready to slide in.

Edited by 89CAL

wasn't intentional......but it made a lot of ugly noises when it did...

87psi......

Why that much? :S

My Tomei pump has been perfect for the last 4-5 years. Isnt loud, does the job, and has never played up. Great pump :)

Nothing against any others, I havent used them so I wont comment for or against. But the Tomei pump comes with everything, in a cradle, ready to slide in.

Get the bigger Walbro or equivalent Deatschwerks or if you want Japanese I think the Denso is the same pump as Nismo/Tomei/HKS but cheaper. Anything but a Bosch 044 - I've got one in a steel case insulated inside and outside and its still far too noisy!

For $200 you really can't go past the e85 Walbro. They are nearly silent when installed correctly and flow massive amounts of fuel. The petrol version is only $150 or so, but why limit yourself to dino fuel...

Thanks for all the info,

r31 nismo has me a little paranoid about my current pump now, plus it was second hand when I put it in.

I'm going to go with the 460lph walbro, looks like an easy swap over and reasonably priced.

:)

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