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Dyno Result - Normal Or Too Little?

uncouth32

By uncouth32,
in Engines & Forced Induction

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uncouth32 Community Regular

uncouth32

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Hi everyone! had nistune installed onto my r34 (Neo engine) with auto tranny and the dyno results showed 233hp (12 psi)at the wheels.

I have stock turbo and engine, 3in exhaust with 3.5 catback to cannon. FMIC, air filter, EBC, custom oiler cooler and radiator, HKS BOV. Now after seeing everyone's postings on their dyno results, im thinking is my results too little?? 233hp whereas similar setup, the other guuys are getting at least 210rwkw. Im not sure if there is anything wrong

2ndly: My aim is about 400hp atw and I am going overseas where I will be able to get my hands on parts at a relatively cheaper price so wanna get some advice on what parts i should get. Roughly, im getting a upgrade on my injectors(500cc or 600cc?), fuel pump (bosch 044) and a GT-RS turbo. is there any other recommendations from you guys on what i should get to achieve that aim? Reliability is my top priority as it is my daily car. :cheers:

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uncouth32 Community Regular

uncouth32

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boost peaks at 12psi cos i have been reading alot that for the stock turbo, the safe tune would be at 12 psi. did thought of pushing it to 14psi but wouldnt want the turbo to die on me too soon thus had it at 12 psi. you reckon its safe to have it at 14 psi? but i dun thrash the car all the time by the way.

Howie Grand Master

Howie

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^^

yeah he said he had a nistune remap.

Sounds about right, i've got a 34 neo with nistune, split/dump, stock turbo with r32 actuator set at 10psi and getting around 170rwkw. It's begging for more boost though.

R31Nismoid Grand Master

R31Nismoid

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200rwkw @ 12psi is where it should be. +/- 15rwkw for dyno differences and you really aren't too far away from there and you are running through an Auto so sounds spot on overall

Best way to tell is at a dyno day really, everyone on the same dyno, same day is the only real decent way of telling if your tune is low on power easily.

You can compare maps/timing and so on but each car is different so it become tricky.

As for 400rwhp/300rwkw, a GT-RS really isnt going to get to that. I think there was one or two cars that made that figure and no-one elese has come close so probably high figures as most seem to make closer to 260-270rwkw which is about the limit i'd push a stock motor anyhow.

Plenty of threads on 250/270/300rwkw setups, so have a search around

uncouth32 Community Regular

uncouth32

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well, could be the auto box losing another 10-15hp for me. well, after spending on the nistune and ebc, i really was expecting about 240 hp. (215hp prior to installation but has a really shitty AFR) 180kw was a tad little disappointing. but oh well, since im not too far away, i shall keep working towards it. will be getting another turbo, injectors and fuel pump when i go for my hols in feb. will see how it goes. but shd be getting a high flow cat next week. will scan the dyno paper tomorrow at work and let you guys have a look.

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