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Bolted On New Turbo And Car Drives Like Non Turbo

r34lyf

By r34lyf,
in Engines & Forced Induction

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r34lyf Apprentice

r34lyf

Posted
Posted

So i have a 2002 r34 gtt and i took off the stock turbo and bolted on a new turbo (link for turbo at bottom of post) and did a nice job of the pipes and hoses, made sure oil was running through the turbo nicely before starting, had to slightly rotate housing during instal i dont think that caused any issues such as the fins not spinning and started her up and went for a drive

I was absolutley gutted the car drives like a non turbo and iv notices a rattling sound coming through the exhaust any advice would be greatly appreciated.

turbo: http://www.redlineperformance.co.nz/products/turbos/nissan/trs4376s-turbo-480hp-nissan-skyline-rb25-bolt-on/

Ben C34 Grand Master

Ben C34

Posted
Posted

Have you checked the shaft spin s freely by removing the intake pipe by hand?

It is not really a high quality turbo so the is a chance it Is a dud.

Edit.. It's scary they say you can use stock oil feed line. Bush bearing turbos need more oil flow, as the ball bearing turbos have a restrictors in the stock oil feed line, so it is very likely the turbo is not getting enough oil flow.

Plattsy Grand Master

Plattsy

Posted
Posted

These TRS4376S Hybrid turbochargers are able to produce 480 hp equipped with the right supporting modifications

if you dont have any it will run like shit. you need an ecu and a tune at the very least.

r34lyf Apprentice

r34lyf

Posted
  • Author
Posted

ok so the Oil Feed in the new turbo has a restrictor bolt inside with a tiny hole and the bolt i used that came with it has a 3.4mm hole but it hits the inside restrictor.

il get the pics up in an hour, but i hooked the charcoal cannister to the plenum which goes onto the boost pressure sensor and theres a T at the cannister end that goes to the motor, maby powersteering?, as for the turbo outlet and the wastegate T's into a boost pressure solenoid and another hose comes from the solenoids top that goes nowhere atm i think its a bleed hose? maby it was hooked into the original frontmount pipe?

Plattsy Grand Master

Plattsy

Posted
Posted

you wont get f**k all. stock exhaust? stock dump? stock ecu?

if it does come on the ecu will shit itself and not know what the f**k is going on.

pop your stock one back on, buy the mods first, install them all trailer car to tuner and tune it.

then itll work.

Ben C34 Grand Master

Ben C34

Posted
Posted

oh for real?, i was certain boost was atleast supposed to come on

It should work but not ideally. Should still boost.

I put on a garret 3071 and drove it for two weeks (gently) before i had time to tune it. Even a little boosting, but obviously taking it easy.

Unless the wastegate flap somehow came off the actuator arm i would be worried the Turbo is dead. I would also be worried it's not getting enough oil.

Ben C34 Grand Master

Ben C34

Posted
Posted

you wont get f**k all. stock exhaust? stock dump? stock ecu?

if it does come on the ecu will shit itself and not know what the f**k is going on.

pop your stock one back on, buy the mods first, install them all trailer car to tuner and tune it.

then itll work.

That's not true at all. As in previous post I should add I was still running stock exhaust and the car boosted fine with a 3071. Obviously I didn't hammer the car, but it definitely worked and definitely made boost.

Turbo went on first as I had and cess to a mates hoist at the time which made it heaps easier to do it t then.

r34lyf Apprentice

r34lyf

Posted
  • Author
Posted

Im off to diagnose with 2 mechanics soon il repost if its shat the turbine whats a good turbo reccomendation, anything bolt on by any chance? do you reckon the engine is taken damage from the turbo failure? i drove about 10 mins

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