Fuel upgrade for the GTR

[MidnightGTR]

Heyas

I see alot of gtrs here use sard 700cc injectors, has anyone ever had any problems? someone said they squirt too much in low revs so have trouble idling or something maybe, and also were they any trouble to fit to the fuel rail?

Im also going to upgrade to a bosch pump, im assuming the 044 is a replacement intank pump right? is there much hassle to swap one over, and also where is the cheapest place in aus to source one from, as all the overseas places dont stock them obviously..

Sorry for all the questions :slap:

[Parag0n]

I've heard nothing but good things about SARD, there injectors and regulators are top notch.

044 isn't a 'direct fit' into a GTR so to speak, but can be installed without much trouble.

Pm the user 'phat32' he helped me with getting bosch pumps

[Guest two.06l]

Heyas

I see alot of gtrs here use sard 700cc injectors, has anyone ever had any problems? someone said they squirt too much in low revs so have trouble idling or something maybe, and also were they any trouble to fit to the fuel rail?

Im also going to upgrade to a bosch pump, im assuming the 044 is a replacement intank pump right? is there much hassle to swap one over, and also where is the cheapest place in aus to source one from, as all the overseas places dont stock them obviously..

Sorry for all the questions :slap:

we are using sard on staceys race car and no probs.If using the standard fuel rail you will have to downsize the o-ring as the standard o-ring is too thick.The bosch pump should work just fine in the factory in tank position.We had one that was good for 350Awkw.

[Sydneykid]

Heyas

I see alot of gtrs here use sard 700cc injectors, has anyone ever had any problems? someone said they squirt too much in low revs so have trouble idling or something maybe, and also were they any trouble to fit to the fuel rail?

Im also going to upgrade to a bosch pump, im assuming the 044 is a replacement intank pump right? is there much hassle to swap one over, and also where is the cheapest place in aus to source one from, as all the overseas places dont stock them obviously..

Sorry for all the questions :slap:

As long as the ECU is capable of controlling the injectors you won't have any problems, for example I have seen a Power FC running 1300 cc injectors no problems.. The 700cc injectors are good for ~700bhp so I assume you need that you need sort of fuel supply to support your target power output. I would always recommend that you get the closest sized injector to your power target, it makes tuning easier. Leave a bit of headroom of course.

We buy our 044's from the local Repco, a trade account helps with the prices. Do a search if you want to know how to fit an 044 into a GTR tank. If you are realy looking at 700 bhp I would suggest a surge tank using your standard GTR pump as a lift pump and feed the 044 of the surge tank.

Hope that helps:cheers:

[MidnightGTR]

Tuner says I should have around 450rwhp when its done, im guessing thats around 600hp or so? like you said I just wanted to leave some headroom and didnt want to be pushing anything

Running HKS 2540's and a PFC among other things

[Sydneykid]

Quick calc, 450 rwhp is around 535 bhp, so 550 cc injectors would do it easily.

[Parag0n]

Nismo 550cc sounds the go then ay Gary?