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Rb25 Turbo Upgrade, All Dyno Results

Nacho Vidal

By Nacho Vidal,
in Engines & Forced Induction

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NizR33 Rookie

NizR33

Posted
Posted

Series 2 RB25DET

Engine recently rebuilt with Aries Pistons 20 thou over, cometic head gasket and head rebuilt... etc

ECU -Microtech

Hi-flowed Turbo TO4E by Fred @ Turbolic

Blitz blow-off valve

HKS Ram Filter in Polished Box

Sard fuel regulator with gauge

Walbro Fuel pump

Profec B Boost controller

Custom inlet plenum,

Custom PWR intercooler and plumbing

Aftermarket 80mm throttle body

3" dump pipe, 3.5" cat and 3" exhaust

Splifire DI coils

With these mods and tuned by Adam @ JEM netted 229rwkw @~ 6200RPM (factory ~147kw)- very nice :D power from down low

Issues with backpressure and compressor surge limited boost being raise above 16psig dropping down to 14 ;) . Once sorted will raise boost to 20psi.

post-48434-1226826123_thumb.jpg

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Kinkstaah
Kinkstaah

Updated my result from awhile back with: 1x 3in to 3.5in exhaust, with gate plumbed back now as opposing to going to Atmo, through two mufflers. Walbro 460 pump, with the 120psi relief valve ov

r33ryan
r33ryan

S1 rb25 Built motor 6boost Precision 6062 Twin 45mm gates plumbed into exhaust 4inch turbo back exhaust 600x300x100 intercooler 1650cc injectors Haltech platinu

bcozican
bcozican

I used to come into here to find what people had tried and what was needed to run to get 'x' power so might help some looking to push rb25 and a real world example     Comparison betwee

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Dr_Drift Veteran

Dr_Drift

Posted
Posted
STD RB25

Tiny HKS FMIC

STD Injectors @ 75psi base fuel pressure

Z32 AFM

TD06L2-20G Chinese Copy

261 rwkw @ 16 psi - Couldn't get any more fuel pressure into it :P

New injectors are on the way, and no I wouldn't ever recommend that much fuel pressure to anyone!

post-179-1224681984_thumb.jpg

Retuned last night more mods:

GReddy Copy Plenum

Infinity 90mm Throttle Body

2:1 Rising Rate Reg

Dual Boost Controllers - One for each port on Gate

305 rwkw @ 25 psi dropping to 18 psi..

post-179-1226969102.jpg

700x300x100 FMIC

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Spraderz-33 Explorer

Spraderz-33

Posted
Posted (edited)

1996 Series 2 R33 gts-t

-Power FC

-Stock turbo

- Full 3" Exhaust, Split dump and Cat

-Drift Pod

-Iridium Spark Plugs

-Greddy FMIC

-Greddy Profec B Spec II

-Tomei Fuel Pump

-Exedy Racing Clutch

-Bp Ultimate

Everything else stock

First tune without the Boost Controller

-Made 200.8kw at the wheels on ~10 psi

post-44655-1227141417_thumb.jpg

Final Tune with Greddy EBC

-Low Boost @ 192kw at the wheels on ~12 psi

-High Boost @ 220.3kw at the wheels on ~14 psi

post-44655-1227141618_thumb.jpg

Edited by Spraderz-33
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anomaly Enthusiast

anomaly

Posted
Posted

1998 R33 GTST Series 2

Stock turbo + injectors (80%)

Walboro Fuel pump, Sard fuel pressure reg, pod, Hybrid HDi FMIC, full exhaust + dump

ViPEC ecu + boost control

13psi - 244 HP

9psi - 214 HP

safe tune, still seems a little low tho

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RB JET Apprentice

RB JET

Posted
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R33 Series 1, RB25det manual, Power FC, FMIC, Full Exhaust System from turbo back with high flow cat, Walbro 550hp Fuel Pump, K&N Filter, Splitfire Coilpacks, NGK Platinum Plugs(0.8). Made 256rwhp on a safe tune on 98RON BP Pump Fuel.

Recently Purchased T04e/T3 Highflowed Turbo, Nismo 550cc injectors, Stainless Low Mount Manifold. Hoping for the 340-380rwhp, depending on safety on engine internals and gearbox.

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super_s13 Community Regular

super_s13

Posted
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Got mine retuned this week.

R32 with rb25det series 1.

Stock turbo

FMIC

Sard FPR

Walbro 255L

Bleed tap boost controller

Microtech lt10s

Stock injectors

Remote wasted spark coil setup

Full 3'' exhaust from the turbo back

Made 254.8 hp @ 10psi bleeding back to 8psi

Still has more tuning to do as we realised that Microtech did not add the tuning program for the VCT so we cant turn it on and off. Will make more usable power when this is fixed next week and my tuner has said we will boost it to 12psi and add some more timing etc.

Hoping for around 270hp on 12psi with finer tuning.

Will keep you all updated

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skymugs Collaborator

skymugs

Posted
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my car hasnt been tuned properly yet cos of boost issues but this is how it went...

stock cams

cp pistons 20 thou oversize

gready copy manifold

80mm throttle body

are cooler

800 cc sard injectors

tomie 700 hp fuel pump

high mount gt35r 84 rear

50 turbosmart wastegate

3.5 insh exaust

microtech lt8 + ignition module

6 bosh coilpacks

1.2 hks head gasket

port and polish decompressed head

shot peened rods + arp rod bolts

balanced

n1 oil pump

car over boost because of shit exaust manifold wich i am changing.. tuner backed off at 25 psi 6500rpm 400hp

i expected more but i will post again in a few weeks wit new manifold tomie pon cams and ajustable exhaust. hope fully have a dyno sheet to put up for ya's and 500 hp i hope

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sxwpn Enthusiast

sxwpn

Posted
Posted

1994 r33 skyline

.Stock Internals

.Some kind of cams came with the car

.Splitfire Coils

.Walbro Fuel pump

.Metal intake from turbo

.Stock turbo

.Pod filter

.Nismo Catback exhaust

.Stock side mount cooler

Car running at 7pounds boost as it from factory suprisingly i pulled

188.9rwkw at Creatd motorsport on a dyno dynamics dyno

VERY HAPPY

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engo Rising Star

engo

Posted
Posted

r33 s1 rb25det.

t04e garret turbo

high mount manifold

3 inch dump with 3 1/2 inch exaust

38mm ext. gate

microtech lt-12s

greddy profec b spec II ebc

hks front mount intercooler

JJR coilpacks

exedy heavy duty clutch

oil catch can

blitz air filter

just got her back at 249.3rwkw at 14.5 ( 1 bar) of boost

and 990.2 nm of torque

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WARLORD Veteran

WARLORD

Posted
Posted
Nismo thermostate

Nismo high flow fuel pump

sard 850cc injectors

Nismo flywheel

Excedy custom clutch

Eagle conrods

ARP head studs

Arias pistons & rings

Acl engine bearings

Sard fuel regulator

Nissan N1 oil pump

Apex power FC

Greddy boost controller

Greddy blow off valve

Greddy intake plenum

Catco stainless high flow cat converter

hks 3-3.75 inch exhaust

hpi split dump pipe

Splitfire coil packs

Front mount intercooler

Arc air box & cold air duct

HKS valve springs

HKS cam shafts 256-intake

HKS cam shafts 264-exhaust

HKS turbo kit 3037 pro s kit

Bosch Z32 air flow meter

40mm radiator

made 303.6kw atw on hi boost

291 kw atw on low boost

now at 309 kw

post-26570-1228041436_thumb.jpg

post-26570-1228041510_thumb.jpg

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engo Rising Star

engo

Posted
Posted
r33 s1 rb25det.

t04e garret turbo

high mount manifold

3 inch dump with 3 1/2 inch exaust

38mm ext. gate

microtech lt-12s

greddy profec b spec II ebc

hks front mount intercooler

JJR coilpacks

exedy heavy duty clutch

oil catch can

blitz air filter

just got her back at 249.3rwkw at 14.5 ( 1 bar) of boost

and 990.2 nm of torque

my bad....also denso 550cc injectors, bosche 040 fuel pump :rolleyes::)

p.s......t04e suck big donkey balls...

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EeLeYe Mentor

EeLeYe

Posted
Posted (edited)

R33 Skyline SII

PowerFC

Kakimoto catback exhaust

Catco Hi Flo Cat

FLYN Bellmouth Dump/front pipe

Stealth FMIC

Solenoid Bleed Type Boost Controller

K&N Panel Filter

All else is stock

Getting 189.5kw at the treads with 13psi.

Tuner mentioned I could get 210kw with a wolf3d??

post-51176-1228908860_thumb.jpg

Edited by EeLeYe
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super_s13 Community Regular

super_s13

Posted
Posted

^^^ I would agree with that tuner as i have been told the same put the microtech on and hey presto.

Got mine retuned this week.

R32 with rb25det series 1.

Stock turbo

FMIC

Sard FPR

Walbro 255L

Bleed tap boost controller

Microtech lt10s

Stock injectors

Remote wasted spark coil setup

Full 3'' exhaust from the turbo back

Made 254.8 hp @ 10psi bleeding back to 8psi

Still has more tuning to do as we realised that Microtech did not add the tuning program for the VCT so we cant turn it on and off. Will make more usable power when this is fixed next week and my tuner has said we will boost it to 12psi and add some more timing etc.

Hoping for around 270hp on 12psi with finer tuning.

Will keep you all updated

An Update i got it back today with boost to 12psi bleeding back to 10psi made 203.6rwkw. Stuffing with the wastegate this weekend and wil get it to hold 12psi and hoping for the 210rwkw mark.

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H@ME Mentor

H@ME

Posted
Posted

Hey guys just got my tune done fell short of my 300hp atw goal!!

1995 Nissan Skyline GTS - with rb25det conversion - KKR480 Turbo, Otomoto Dump Pipe, Nismo Stainless Front pipe, 3" stainless cat-back, Nismo 740cc injectors,apexi dual pannel D1 forced pod filter, apexi PFC, greddy intake manifold, greddy TB adaptor, greddy typre RS bov, greddy oil catch can, Hybrid FMIC, walbro intake 500hp pump..

Got it tuned at 10psi with rev limiter set @ 7000rpm and got 192.6kw atw.

Hame

post-36645-1229044536_thumb.jpg

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