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Hi,

Looking to do a swap from my HKS GT-SS setup to a Single on my GTR. Don't really want to fk around with having everything made up custom work etc

what companies make off the shelf single kits for the rb26?

I know HKS make the T51R kit but i think that is way to huge (looking for 400hp ish)

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400hp.....is that a typo?

nope.

ideally i like to stay with the twin setup however, after rebuild them 2x now, and having issue with the std fittings i am just sick of the setup and working on it isn't the easies thing to do compare to a single

I don't want to to push anymore than 400 maybe 450hp max because the car is predominately a race car and with the known oil issue in the rb engines i don't want to lean on the engine too much.

i'm currently making 370rwhp @ 18psi with the gt-ss power is limited by my injectors (600cc @ 90% duty cycle, then need to be clean and flow tested)

Also i do miss the gate, and the way a single makes power compare to twin setup... i find the gt-ss laggy

Edited by Kaido_RR
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I don't want to to push anymore than 400 maybe 450hp max because the car is predominately a race car and with the known oil issue in the rb engines i don't want to lean on the engine too much,

Big sump and sort our your catch can/vent setup. People still turn bearings on standard turbos and engines.

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600 cc @ 90% for 276 kw at the treads... Something wrong there. Rebuilding them x 2, something wrong there. SS's laggy? Wow.

Find someone to fix the setup you have, there is something wrong.

as mention my injectors need a clean, i had been using them for 2years in my previous track car before i put them into the gtr and they were bough second hand. When i had the car tune i wasn't interested in upping the power as i just wanted more seat time but since then the car hasn't been driven for almost a year and only recently have i started working on it again

rebuilding the turbo 2x nothing wrong... 1st time was because they had done the bearings, second time my filter let go and destroy the wheel.

I find the GT-SS laggy my previous track car was single turbo rb25 with similar power. Also doesn't help my other track car is an evo which has insane levels of responses

Big sump and sort our your catch can/vent setup. People still turn bearings on standard turbos and engines.

i understand this but the car has spent more time sitting in my garage then driving if the sump was to come off i know it would soon turn into a very hardcore build which atm i want to try and keep as simple as possible. The car was already achieving good times at the track with n1 turbos and std ecu.. i just wanted something less laggy and more reliable hence i went with the gt-ss

Push a Garrett GT35R/T04Z to 400kw+.

FY,I GCG sell both of these as a kit with a manifold, gate and other bits and pieces. No dump pipe though.

thanks will check them out

Edited by Kaido_RR
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I was getting full boost (20psi at 4500rpm) even though my dyno graph shoes 4800rpm lol with -7's.

Running a GT35 now and its on full song by 4300rpm and makes 80hp more on the same boost.

It is possible there was something wrong with my old setup in terms of response but they were making the power they were meant to be.

It wasnt the turbos or actuators but Im done thinking about it, quite happy with the single setup im running now!.

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