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Rb25 Turbo Upgrade, All Dyno Results


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R34 GTT Rb25det Neo standard engine
ARP head studs
HyperGear ATR43SS-2 ball bearing turbocharger
6 boost high mount exhaust manifold
50mm external gate
4 inches intake pipe
600x300x71mm front mount intercooler
3.5 inches turbo back exhaust
1000cc ID injectors
Haltec ECU
Tuned by Chequered tuning Melbourne
Final result of 355rwkws on pump 98 fuel / Ron 93 at 20psi, hitting 220rwkws @ 4000RPM.

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  • 1 month later...

R33 Rb25det unopened engine
Greddy intake manifold
82mm Bosch DBW
@hypergear ATR43SS-2 ball Bering turbo
Factory exhaust manifold
45mm external gate welded to turbo housing
3 inches intake pipe
Greddy front mount intercooler with 3” piping
3.5” exhaust (3” from turbo, stepped up to 3.5” at wastegate merge)
1000cc Xspurt injectors
Haltech Elite 2500 ECU
Tuned by Revolution Engine Services (NZ)
Final result of 314kw (at the hubs) on pump 98 fuel at 19psi, hitting full boost by 4000RPM.

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  • 3 weeks later...

R33 GTST 4 door
Rb25det Neo engine
Forged pistons and con-rod
Ross performance trigger kit
1650cc Bosch fuel injectors
Two 460L fuel pumps
Adaptronic plugin ECU
Upgraded Valve springs
Hypergear ATR43SS-3 Turbocharger
6 boost high mount TS exhaust manifold
Twin turbosmart 50mm external gates
Tuned at Chequeredtuning Victoria
Car made a final result of 482rwkws @ 24psi. Hitting 280rwkws @ 4000RPM with wide spread of power band and plenty of area under curve.

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  • 5 weeks later...

324.51RWKW, new turbo and other bits installed by the guys at Jaustech in SA.

Tuned by Pete from Nistune on 98 fuel. Crazy good tune.

Running just under 18 PSI and have full boost by 3300rpm, which was an improvement over my previous setup only hitting 18 PSI at 3800 RPM. Huge different in driving feel and power delivery. Could go higher boost, but don't want to ;)

Overall, very quiet still, but pulls very hard and to hit this power with under 18 PSI, with boost coming on that early is nuts IMO.

The EWG port was added onto the hot side of the turbo, the stock manifold has been untouched. Still a low-mount.

Specs:

  • R34: RB25DET NEO
  • Pulsar G30-660 turbo
  • Turbosmart EWG and a 4 port solenoid to keep the gate shut and maintain boost.
  • Tomei Poncams Type B 260deg
  • APEXi Pod Filter
  • Nistune ECU
  • ARP head studs
  • R35 GTR Injectors
  • Walbro 255LPH Fuel Pump
  • GReddy Profec B-Spec II EBC
  • Return flow FMIC (unsure of brand, I didn't do this one)
  • Custom 3" Dump pipe with EWG plumb back. No screamer pipes here.
  • High flow catalytic converter
  • 3" Fujitsubo Giken FGK Exhaust.
  • Koyorad Radiator
     

Absolute killer setup!

325Kw Info Removed.png

Edited by Bman1296
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R33 GTST forged rb25et engine
Standard head and cams
ARP head studs
Supertech valve springs kit
HyperGear ATR43SS-2 ball bearing turbocharger
6 boost high mount exhaust manifold
50mm external gate
4 inches intake pipe
600x300x71mm front mount intercooler
3.5 inches turbo back exhaust
1000cc ID injectors
Link ECU
Final result of 372rwkws at 25psi Pump 98 fuel.

 

atr43ss2372rwkwsp98.jpg

Edited by hypergear
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  • 7 months later...

-ENGINE: RB25Det Neo
-CAR MAKE: Nissan
-MODEL: R33 GTST
-ENGINE BUILD SPECS: Forged bottom end with upgrade valve springs. 
-INJECTORS: Bosch 1600cc injectors with twin 460L Pump
-TURBO: HyperGear ATR43SS3ProR in T3 TS .82 rear housing
-CAMS: Stock rb25det
-FUEL TYPE: E85 fuel
-AUTO/MANUAL: PPG 6 Speed sequential
-Diff: Stock
-TORQUE: 755Mn
-HUB or CHASSIS DYNO: Hub dyno
-POWER OUTPUT: 
Green ATR43SS3ProR 512rwkws @ 27psi
Vs Purple TD06SL2-25G 437rwkws @ 27psi (Before turbo upgrade)
 

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  • 2 months later...

 -ENGINE: RB25Det Neo
-CAR MAKE: Nissan
-MODEL: R34 GTT
-ENGINE BUILD SPECS: Stock bottom end, kelford 264/272 cams, valve springs, ARP head studs, Commetic Head gasket
-INJECTORS: Bosch 1600cc injectors with single 525L Pump
-TURBO: Garrett g30-900 .82 rear housing
-FUEL TYPE: E85 fuel
-AUTO/MANUAL: Manual
-Diff: 2 way 
-TORQUE: 660NM
-HUB or CHASSIS DYNO: Roller dyno
-POWER OUTPUT: 
615hp on 26psi

dialed back to 595 on 24psi

460hp on 16psi 

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