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Got An Update Tune At Unigroup Last Night

Abo Bob

By Abo Bob,
in Engines & Forced Induction

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Beer Baron Grand Master

Beer Baron

Posted
Posted

nice looking curve indeed. for me, i reckon with the track use you give it i wouldn't mind a little more fuel up top. shape of the afr is no problem though, as long as the power curve is good (which it is). the boost curve could be better though. something is not quite right with that.

Kinks Grand Master

Kinks

Posted
Posted
drop of 2psi on the boost curve

ruler flat boost curve would be nice but not necessary IMO. A drop of 2psi simply means your turbo's not working quite so hard at high RPM and that's where things start to fly apart. It just means you can run 2psi more boost in the midrange!! :D

Abo Bob Grand Master

Abo Bob

Posted
  • Author
Posted

The boost curve is my fault. I haven't adjusted the actuator enough. I will fix that.

As for more boost. I didn't try it but I doubt the turbo has much left in it so I didn't think to bother giving it a go.

Andi Experienced

Andi

Posted
Posted

Very nice curve Adam! I think this may have just swayed me to take my car to Unigroup when I get my tuned done. I'm was still deciding between them, Hitman or Powertune.

Do you mind listing what mods you have done to the car?

Abo Bob Grand Master

Abo Bob

Posted
  • Author
Posted

Rebuilt engine with Wiseco forged pistons and Tomei Type B, 260/260 Poncams. Running 8:75:1 compression ratio.

Blitz LM intercooler

Apexi pod (only because the stock airbox is such a pain to remove and refit all the time, the stock one was no restriction)

Nismo 480cc injectors at an occasional 100%

R34 GTR fuel pump and regulator

GCG highflow turbo

CES split dump/front pipe

Fujitsubo cat back (quiet one)

3" cat in since compliance

Apexi AVC-R

PFC

That's the power mods.

As far as Unigroup are concerned. They really involved me in the process which I liked. Of course you can drop you car off and pick it up 3 days later running perfectly but I like to fiddle and I like to learn. Yavuz (if i spelled his name right) is definitely a perfectionist but he doesn't think you will take his job if he teaches you something. He keeps no secrets.

Andi Experienced

Andi

Posted
Posted

Excellent, thanks! :D

Hmm I was thinking of going 260 poncams as well but if you're hitting 100% at 272kw I think I should stick to 250 because I've only got 440cc injectors. Thanks for the reminder, I think its just saved me quite abit of money. :D

Beer Baron Grand Master

Beer Baron

Posted
Posted

i'm not sure I can see this direct correlation between cam duration, and injector duty cycle? injector duty cycle is controlled by one thing only. the numbers inputted into the CPU. the size of injectors required is controlled by one relationship only. the amount of air you are stuffing into the engine, vs the air fuel ratio you want to maintain.

BHDave Grand Master

BHDave

Posted
Posted

lol, so you didn't cave when he told you to wind up the boost some more?

It's times like this i regret getting rid of my highflow and sticking the hks manifold and t300s on. So much work, so little gain....but I still have 2 more rwkw!

HolyEvil Community Regular

HolyEvil

Posted
Posted

hi there just wondering how much did it cost?

cheers

They certainly know their stuff. I really enjoyed this one. I learnt a lot and the car is putting out a little more power, very safely, with nice smooth AFR's.

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