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installing a gtr fuel pump in a gtst

netrati

By netrati,
in Engines & Forced Induction

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Lunatic Dancer Collaborator

Lunatic Dancer

Posted
Posted

always a good idea to have the support sytem before ramping up the power....

i've not seen a gtr one but like any other fuel pump should just be + and - up top....its quite simple take out the fuel assembly and remove old install new same way, use stainless C clamp to hold it...im not familiar with skylines but my 180 was really simple just take ur time and keep sparks away :P

Robo Community Regular

Robo

Posted
Posted

When replacing the fuel pump with something like the GTR unit (on a gts-t) will anything else need to be changed/tuned? like the power signal from the battery, ECU etc..

Is it just replace and drive off?

Regards

Rob

Lunatic Dancer Collaborator

Lunatic Dancer

Posted
Posted

another thing - take off the fuel pump fuse and give it a few cranks, usually helps reduce the amount of fuel spillage when u take off the fuel and return hose from the top of bracket....(spare clothes come in handy)

yep its in the trunk but not exactly like the 180's though, its right behind the rear seats, got this step thing like another level same as the 200sx u will see wat i mean....

if u decide to take off the neg. of battery then might as well reset ecu, press the brakes a few times after you pulled the plug.

ur question - if ur fpr (fuel pressure reg.) is in good order ur mileage shouldnt have any major changes though u will be running a lil more richer...

im sure jimx will be able to help ur more precisely as hes changed his to a bigass bosch item, ur will be easier though still probably require a bit of modding.

MrZac Mentor

MrZac

Posted
Posted

Sometimes the plastic screw top to the tank is hard to get off, but after you get it out, the GTR Pump will sit in the GTSt Pump cradle. As mentioned previously you will need hose clamps to hold it there. Make sure you put the pick up back in the right way, otherwise it will rest on the side of the tank and make a damn annoying sound. I bought an R32 GTR pump and I needed to cut some of the rubber on the cradle so that it fitted also. Not sure if an R33 GTR Pump requires this??

predator Grand Master

predator

Posted
Posted

Should be pretty simple operation, plug in and drive off.. Shouldn't even have to adapt the fuel pickup like you would with an aftermarket pump. There is a thread recently where myself, JimX and Steve were discussing our installs - there is a few pics.

I don't think ignition is a huge concern, as the +ve battery terminal should have a nicely covered rubber cover. Just don't go making sparks hammering stuff or something.

Again, its discussed in other threads, but best method is to use a socket extender or something like this, and use a hammer to heavily tap the "jar" type arrangement counterclockwise (its a screw type thread) until it comes off. Then u can get to the pump pretty easily.. slot out bracket and it will all make sense.

Robo Community Regular

Robo

Posted
Posted

Thanks for the info.

One more quick question, what type of power out put is safe for the standard gts-t's fuel pump?

If I am aiming at 200 rwk's will this be fine for the standard fuel pump (if it's in good health)?

Regards

Ps. What is the purpose of a fuel pressure regulator?

JimX Grand Master

JimX

Posted
Posted

The standard GTS-t pump is capable of flowing up to around 220rwkw generally speaking. It depends on the dyno and the condition of the pump and the injectors, of course. It's not uncommon to get leaning out at under 200rwkw.

Disconnecting the battery is a bit of an overkill precaution I think. All of the wiring looms plug into the top of the fuel tank cap, which you need to disconnect before you even attempt to get the cap off anyway. If you want to disconnect the battery for this exercise, then make sure you disconnect both leads and remove the battery from the boot, because I reckon there'd be a bigger chance of accidentally zapping something if you just disconnected one lead and left the battery in place.

I'm pretty sure there is no voltage in those connectors with the ignition off regardless, so even if you did short something there nothing would happen until you went to start the car anyway.

chook Mentor

chook

Posted
Posted

I changed my GTS pump to a GTR V-spec pump, straight forward, only problem is getting that fiddly screw cap to thread back on. It was a direct swap, not sure what the talk about clamps is ??

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