Fuel Pump upgrade

[skyzerr33]

righto fellas what do i need.

aim for the car is 300-350rwhp

mods will be fmic, pfc, ebc - 12psi, full exhaust 3" - dump is twin pipe version, timing is at 20 degrees, pod filter with CIA.

other mods aren't performance based.

been told either of the following will do

bosch 044, 975 or 985.

input welcome

[benm]

Some newbie questions if I may...

* How much rwhp (or rwkw) can the standard factory Fuel pumps handle ?

* Obviously the more power the more fuel required and the stock pumps are only good to pump so much fuel ? Anything else worth knowing... ?

* What is the typical cost and can anyone post some websites with info/products/prices ?

thanks,

Ben.

[Steve]

You might find it a bit cheaper to go a second hand GTR pump, can get them for 250-300 compared with 500 for a 044.

I have those mods, and I am only making [email protected], at the time it was about 35deg C. What turbo are you getting?

Currently the injectors are starting to show the strain too(up 82.9% when tuned with a Z32 afm, 77.7% when not so well tuned with a sock afm but that was pushing out 191rwkw and pretty lean), so you may want to think about a rising rate reg too.

sorry I'm rambling a bit.

Benm, sydneykid answers some of your quesions on the SDU forum, a thread entitled 600hp fuel system, here is a link

http://forums.skylinesdownunder.co.nz/show...50&goto=newpost

Hope it works as I cant get on to the SDU forum at the moment, bloody server too busy.

Steve

[benm]

Are you quoting my figures Steve ?

Another question....

* How can you tell when you need a better fuel pump ? What are the tell tail signs ?

[Steve]

No ben, I am quoting my figures.

Also for an indication of prices, the sub-zero site sells bosch 044 and 910

[adam 32]

troy

alot of us have the bosch 390 which fits into the std bracket and costs $215

[adam 32]

sorry

and good for 350hp + so ideal for your specs

[skyzerr33]

kewl thanks adam

oh the prices i had for the other pumps where from $280-390.

[poyz]

Findings from a trusted source differ to that in that link posted above.

I've got a 975 mounted internally in my car.

Begin Cut and Paste

The big daddy Bosch Motorsport pump is part numbered 0 580 254 044, it can flow

330L/hr @ 73.5psi and price is $550.95

The last 3 digits will be different for other Bosch pumps.

975 is a 228L/hr flow @ 73.5PSI at $340.95.

984 is the same as 975 just that the fittings are slightly smaller.

040 is 235L/hr flow @ 73.5psi and it comes with a screen for in tank operation and is priced at $359.95.

910 is 200L/hr flow @ 73.5psi at $229.95.

I know that although the 975 doesn't say its a in tank pump, it can be mounted

internal or external to the tank, maybe all the other Bosch pumps can be

mounted internal or external also.

End Cut and Paste

[adam 32]

sorry troy its the 910!! haha 390 is somewhere in the name/number but its definately a Bosch 910. $215 from coventrys, its a merc pump i think...