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How Much Is Too Much?

khunjeng

By khunjeng,
in Engines & Forced Induction

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khunjeng Veteran

khunjeng

Posted
Posted

ok I just had my r33 gtst tuned with a few nice new bits like a new turbo, dump pipe, AFM, injectors and fuel pump, FMIC etc

ran it on 1bar and noticed the packs we dodgy but still got 260 out of it from 175 at 0.7bar on the previous setup. I dont pay too much attention of the dyno result but I got a gain of about ~90kwatw which I was happy with. I just wacked in the spitfires and will run it up tomorrow.

of course this is max power..my aim was good avg. power and some good low down torque - havn't got the graph but will run it again tomorrow.

do you think I should leave it or should I tune it for a bit less? I assume that if I don't ever really hammer it too much to 1bar - i.e. half throttle most of the time then it wont really cause me too many dramas. I actually only aimed for about 220...

Just intrested in some feedback and thinking about traction issues as my new wheels havn't arrived form Japan yet....

Chris.

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ossie_21 Grand Master

ossie_21

Posted
Posted

Can never have too much :happy:

By 260 are you talking kw? With what you mentioned & because you are over east that's what I'm guessing, which is pretty close to what I have/had. My car just seems to run perfect, almost as if I have traction control!! The only wheelspin is just before redline in first or second, it didn't take long for the tyres on there to be worn but I put on some toyo t1-r's & they were great.

khunjeng Veteran

khunjeng

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  • Author
Posted (edited)

yeah 260rwkw with doge packs. I have been focusing on the low to mid range as I'm not intrested in high end power as I don't take it to the max often. I will get all the exact details and the plots tomorrow when I head down after work. then u guys can have more info.

I told them to tune it the best the can for the moment...

Edited by khunjeng
7yphon Experienced

7yphon

Posted
Posted

What you need to consider is what you are setting the car up for, Drift, Drag or Curcit.

With that much power I wouldnt go anymore because your car is going to be a bitch to drive on the street, Altho some ppl like that :happy:

Also have you maxed out the turbo? Maybe you should look at some lumpy cams and do some head work then bump up the boost.

khunjeng Veteran

khunjeng

Posted
  • Author
Posted (edited)
What you need to consider is what you are setting the car up for, Drift, Drag or Curcit.

With that much power I wouldnt go anymore because your car is going to be a bitch to drive on the street, Altho some ppl like that :happy:

Also have you maxed out the turbo? Maybe you should look at some lumpy cams and do some head work then bump up the boost.

this is just for street use until I get the bug to do some track work...I will need to do some more work on the setup before then.

I'm not really intrested in more power. I think I have enough..I was actually considering lowering it but I will drive it first and see how it goes.

Edited by khunjeng
khunjeng Veteran

khunjeng

Posted
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ok.

well I havn't got all the details of my turbo yet cos the guy who did it wasn't there when I picked up the car. I will have the full sepcs on monday. However is has a stock housing with a BB xx turbine plus some bigger inlets/outlets lol I'm not a guru on turbos - details to come.

Initially I was aiming for about 220 atw but when all the following mods were on it pumped out a fair bit more. Also I picked it up late so the dyno results will be posted when the some1 there gets a working printer! hehe

The first dyno run output 275kw and around 440nm of torque which was impressive. However at about 4500 the emange wasn't coping and there is a flat spot...but picks up again after 5000. Tried to smooth it out but essentailly the emanage couldn't do the job so power FC here we come..the dyno reuslts were intresting - sorry for no pics.

De-tuned it to about 250 to smooth out the response...the torque was great up to the 4500-5000 mark where the emanage screws around...generally it runs like a rocket!

anyway list of mods:

Custom turbo upgrade (lol details to follow)

Bosh fuel pump

VG30 AF meter

Apexi front pipe

cat back exhaust incl 730CFM cat + HKS muffler

600x300x76 FMIC

Emanage - when u see the dyno you will see it needs ot go!

Boost controller - just a manual bleed valve which shows it need to be replaced

Spitfires

Injectors - need the specs but I think they are 550cc?? sounds right or is this std.

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