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How much can R33 stock fuel pump push (in kw)

Starionturbo
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Starionturbo Mentor

Starionturbo

Posted
Posted

wondering how much the R33 stock fuel pump can push, ive herd guys just upgrading em after 200 rwkw but then guys that are making 250 kw with stock pumps.

whats the story,all my previous cars have had aftermarket fuel pumps.

paulr33 Grand Master

paulr33

Posted
Posted

yeah its not an exact "this is max limit" but its not worth the risk if its going to lean out or risking it given the price to upgrade is cheap too. i also had starting problems with my stock pump but the new one has fixed that

Packy Collaborator

Packy

Posted
Posted

Hmmm well i've got a 620hp GT35/40R going on soon, i will have to upgrade the injectors and the fuel pump as well. Seems the more money ya spend on ya car, the more money you have to spend to keep it working right......hehe

INASNT Grand Master

INASNT

Posted
Posted
Hmmm well i've got a 620hp GT35/40R going on soon, i will have to upgrade the injectors and the fuel pump as well. Seems the more money ya spend on ya car, the more money you have to spend to keep it working right......hehe

And if you want use the full power of that turbo you will have to replace alot more things that fuel pump and injectors :uh-huh:

benm Grand Master

benm

Posted
Posted

No point 'upgrading' to a GTR fuel pump which is generally just as old. Might as well spend the same or a little extra and get a brand new bosch.

In my old GTS-t I had a brand new Bosch 040 supplied/fitted for $350 and that was 18mths ago.

Packy Collaborator

Packy

Posted
Posted

INASNT: trust me, i've got a lot of parts just sitting here waiting to go on ;)

Benm: Yeah have been looking at the 040 and the 044. Seeing as the more i take this car past standard the more it might just be a track car. So no real point in doing an in tank pump.

Al Grand Master

Al

Posted
Posted

040 are designed to be intank.

I thought the only differance btw 044 and 040 was 044=external and 040=internal.

Just some advise, something learnt by experience. Buy the 040, build a surge tank a little bigger, and mount the 040 inside the surge tank. This will help reduce the noise from the pump (and trust me a 044/040 is bloody noisy), you can then put as much sound damping material, as you prefer, all over the surge tank to reduce the noise even more. Fuel will also act as a coolant for the pump. With a 044 (external) you are unable to dampen the noise as you run a risk of overheating the pump (so i have been told).

I unfortunately just have to live with it, but i honesty am not bothered by the noise, my mates on the other hand can't get over it, and keep biatching.

benm Grand Master

benm

Posted
Posted

Gee ur making me think hard now (new owner has had it for about 3mths).

R33 GTS-t, 198rwkw, 3" full nismo exhaust (pretty quiet compared to most GTS-t's), std turbo, std ecu, fmic, k&n, ex cam gear.

Starionturbo Mentor

Starionturbo

Posted
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Posted

I will get the Fuel pump when I get the PFC tuned.

As far as injectors go, ive spoken to many a performance shop, and said the RB25s injectors seem to be at there max at about 250-260 rwkw.

Spook's_Skyline Mentor

Spook's_Skyline

Posted
Posted

yer, i was going to ask what do standard injectors max out at?

ive got a powerfc coming and im going to order a 040 fuel pump as well when driftking gets more in

wondering if stock injectors will be ok for stock turbo ?

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