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R34 RB25 Neo

FMIC

Oil Cooler

Engine Earthing

Pod Filter

Blitz DSBC

Type 3 BOV

Apexi AX75F82 turbo

Stainless steel exhaust manifold

3" turbo back exhaust

Z32 Afm

480cc Injectors

Bigger Fuel Pump - Unknown

Apexi PFC

100 Octane

261.3rwkw - 1bar(14.7psi) - 350rwhp

243rwkw - 0.8bar(11.5psi) - 327rwhp

234rwkw - 0.6bar(8psi) - 313.7rwhp

post-39528-1207324433_thumb.jpg

post-39528-1207324450_thumb.jpg

Hi all, just got everything done and dyno tuned on my car. Here it is:

R33 GTS-T (RB-25)

Mods:

HKS GT2835 Pro S 0.68 A/R Turbo

GReddy Front Mount intercooler

Nismo 555cc Injectors

Bosch 040 Fuel Pump

3.5 inch straight through exhaust with split dump

Power FC

Z32 AFM

Cold air intake with pod filter and heatshield

Splitfire coilpacks

Platinum spark plugs

272.3 RWKW at 18 PSI

post-48356-1207953400_thumb.jpg

Edited by Turbz RB-25

R34 GT-T (NEO) '98 Manual

Stock Turbo

Greddy FMIC

Greddy Profec B EBC

Walbro Fuel Pump

Nismo 480CC Injectors

Greddy E-manage Ultimate

Z32 AFM

3 inch AM performance front/dump, high flow cat, 3 inch zaust.

Apexi Intake

208.3kw @ wheels on 12 psi on a 40 degree day.

R34 GT-T (NEO) '98 Manual

Stock Turbo

Greddy Profec B Spec II (11psi)

Metal cat & HKS Cat back exhaust (No Dump pipe yet)

K&N Pod Filter

184.1 KW @ Rear Wheels - 11 psi

175.4 KW @ Rear Wheels - 7-8 psi (Stock Boost)

Edited by R33Turbo

R33 GTST S2

Stock internals/unopened

Power FC

HKS GTRS turbo

Greddy Profec B Spec II

Blitz LM FMIC

3.5" turbo back exhaust, Metalcat convertor

Solid piping mod AFM > turbo (rev210's intake mod)

550cc Nismo injectors

Nismo fuel pump

Z32 AFM

Stock BOV modded to suit

STOCK AIRBOX

256rwkw on 16.5 PSI (High boost)

241rwkw on 12.5 PSI (Low boost)

The dyno chart maximum was from a run with a modified airbox, but only got 3kw extra, so no point. Line below that is how it stands. The lower line is on low boost.

post-20491-1208860083_thumb.jpg

Edited by sl33py

1995 R33 GTS-T Series 2

Apexi Power FC

GCG High Flow Turbo

TurboTech Manual Boost Controller <-- so good

FMIC

Apexi Panal Filter inside stock airbox

Stock AFM

Stock Injectors

Walbro 500hp fuel pump

3" Turbo Back Xforce Exhaust Stainless Steel

Stock Internals

Manual

221.5rwkw @ 15psi (300rwhp)

car has air and exhaust restriction somewhere will be fixed and retuned looking for 240rwkws...

dsc00143lw8.jpg

dsc00143lw8.e875274fae.jpg

dsc00144rb7.jpg

dsc00144rb7.3d8121f569.jpg

R33 skyline RB25DET

Garrett GT3076R

Nismo 555cc Injectors

Apexi Power FC

Z32 Afm

FMIC

Tomei Fuel pump

Greddy profec b spec 2

Apexi power intake

HKS super drager exhaust turbo back

Made 233 rwkw which is 310 rwhp on 17 psi full boost by 3800 rpm. Was aiming for 250 rwkw though not sure what went wrong.

Edited by SexyPete

This was a quick touch up tune for Texi after running in the engine.... proper tune with more boost in 2 weeks - stay tuned!!

R33 S1 Skyline

Garrett GT35R - 0.63 rear externally gated (0.82 on standby, just want to max this rear out first )

6boost manifold

38mm turbosmart ultragate (needs to be upgraded if keeping the smaller rear housing on)

3" exhaust with metalcat - proper mufflers, no cannons....lol

Greddy E-01 boost controller

550cc injectors (740cc nismo's on standby)

Haltech E11V2 - wideband 02 and display also installed

greddy intake

rebuilt engine - forged internals 20thou oversize - 4,000 odd kms old - Rebuilt by Dave aka T04GTR *shameless plug :laugh:

Some little tricks done to the head - wouldn't tell me :(

Step 1 poncams

FMIC

Walbro 255 (044 being installed prior to final tune)

Sard FPR

post-30020-1210072205_thumb.jpg

94 r33 gtst

Engine

Standard internals

gt3076r 0.63 rear - high boost is 300kw @18psi :D

low boost is 250kw @ 13.5psi

on a chassis dynapack dyno (low humidity, 22 degree day)

greddy profec B electronic boost controller

standard injectors, running at 75% duty cycle

sard fuel reg

bosch 044 fuel pump

z32 afm

splitfire coilpacks

haltech e11v2

hybrid front mount intercooler

apexi pod filter in custom box

maganflow 3 inch turbo back exhaust, with high flow cat and hi-tech resonator

car is a bit laggy, but incredibly fun once it gets going. probably get some cams in the future

dynochart.jpg

  • 2 weeks later...

bit late.....got my setup mildy tuned about 2mths ago by matty spry. LEGEND.

garrett 3540

z32

3'' zorst.

pfc

and secret parts :D

exedy carbon-d twin plate clutch with lightened ventilated billet flywheel

got me 385.8hp

not game to go higher without pistons. prefer to have it safe and thrash it. than to have 400+hp and break it when i floor it for the 1st time.

Edited by r33cruiser
With so many threads about turbo upgrades for RB25's i thought itd be a good idea to start a thread that shows results only, as the results from various threads are scattered everywhere. Everyone has there own ideas about what power they want so obviously there isnt ONE perfect turbo upgrade for everyone.

Please post your RB25 dyno graphs only and state the following:

-Engine management

-Boost ran

-Fuel used (pump or special)

-significant engine mods (eg cams)

The idea of this thread is to be a quick reference to various turbo's performances on RB25's, not to be a discussion thread.

Thanks

(If this has been done already let me know, but didnt come up one in search.)

1993 R33 GTST s1

Power FC

Z32

Stock 370cc injectors

Stock internals

GT3071 Internal gate @15psi Boost (comes on at the same rpm as stock turbo!!!)

Bosch 044

Splitfire Coilpacks

Greddy Type M FMIC

Bp Ultimate

X Force 3 inch turbo back

Profec B (turbo wastegate is 15psi so couldnt use teh Boost controller as the injectors were maxed out)

235.4kW Atw

R33 GTSt 93 model

Apexi pod & box

z32 AFM

slide hi-flow turbo

FMIC

Nismo 555cc injectors

Greddy Profec II boost controller

Apexi powerFC

3 inch front and dump pipe

3 inch hi-flow cat

3 inch Nismo cat back

235.8rwkw @ 15psi - all work done by Unigroup :)

cough upgraded copugh :)

Same mods minus the blown hi-flow.....

now with GT-RS fitted and tuned, again, by Unigroup :D

post-24539-1211526770_thumb.jpg

  • 2 weeks later...

post-37465-1212502099_thumb.jpg

187.9kw @ 6700rpm

1996 R33 Skyline GTS25t

600x300x76 FMIC (China)

JustJap Racing Split Front/Dump

JustJap Racing De-Cat Pipe

Full 3.5" TRUST Cat Back

Manual Boost Controller @ 10PSI

Pod Filter

SAFC Neo

Was hoping for a little closer to 200kwkw, but the Neo is a pretty rough tool, so hopefully a Power FC will see that goal come a little closer.

RB25DET S2 R33 Skyline

Standard Turbo/injectors/ Fuel pump

Blitz FMIC

K&N Panel Filter

3 inch dump Hi flow Cat

Kakimoto cat back

Gizzmo EBC @10.5psi

Power FC

201.1rwkw

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