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R34 G T T thresholds.

blukie

By blukie,
in Engines & Forced Induction

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Guest INASNT

Guest INASNT

Posted
Posted
Originally posted by franks

c&v in sydney did the FC tune.

yeah, i guess it could be a little bit leaner 11.5 is still pretty juicy....from looking at your a/f there isnt much room for bad fuel is there? your not too worried about that?

not really as i always use 98 and the guys and dyno that tuned mine has a 480rwkw GTR running similiar a/f's and he knows what hes doing!:D

around 12.0 or so is perfect a/f for our cars!

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franks Veteran

franks

Posted
Posted

i had 151rwkw with half an exhaust, filter and 0.6bar...

a friend got 161rwkw bone stock, r33 series2 auto with a manual gearbox conversion *only* ?!?!?

moral of the story? comparing apples and oranges. as much as i'd like to compare it to your figures, i can't. On the same dyno, i could get two different readouts within an hour of each other...

Clint32 Mentor

Clint32

Posted
Posted

my car is tuned with the afr between 11.8-12.2 this is basically a streight line after the after it drops from running 14.4 in the light load stuff,

franks you would pick up about 15rwkw with a good tune, then some more with boost, get the fuel right and you may have to addjust the timing accordingly.

Guest INASNT

Guest INASNT

Posted
Posted
Originally posted by franks

i had 151rwkw with half an exhaust, filter and 0.6bar...

a friend got 161rwkw bone stock, r33 series2 auto with a manual gearbox conversion *only* ?!?!?

moral of the story? comparing apples and oranges. as much as i'd like to compare it to your figures, i can't. On the same dyno, i could get two different readouts within an hour of each other...

did u see the HPI magazine R34GTT project car?

they pulled near 200rwkw with basically the same mods u have but 12psi boost!

You should get your retuned man!

GTS-t VSPEC Grand Master

GTS-t VSPEC

Posted
Posted

I think that 13 is too lean, but it depends where in the power band that it is occuring. Usually 12-12.5 is about as lean as you want to go, otherwise one lot of shit fuel and your in serious trouble.

They may say that your leaning out due to not enough fuel, either buy a bigger pump or fit a fuel pressure regulator.

See'ya:burnout:

Guest INASNT

Guest INASNT

Posted
Posted
Originally posted by nismoR34

Yeah, I recall the HPI r34 project had similar power to Franks, but it was in stock form then. *mental note to re-read that tonight*

yeah i think they said it got around 160kw@wheels in stock form.

I am sure they got around 200kw@wheels with the same mods as franks got. They only blew the turbo when they took it for a run on the track which was after all the engine mods were done, thats when they rebuilt the turbo.

ed Grand Master

ed

Posted
Posted
Originally posted by INASNT

yeah i think they said it got around 160kw@wheels in stock form.

I am sure they got around 200kw@wheels with the same mods as franks got. They only blew the turbo when they took it for a run on the track which was after all the engine mods were done, thats when they rebuilt the turbo.

is this all on the HPI's DVD/Video's?

MM2death Grand Master

MM2death

Posted
Posted
Originally posted by GTS-t VSPEC

I think that 13 is too lean, but it depends where in the power band that it is occuring. Usually 12-12.5 is about as lean as you want to go, otherwise one lot of shit fuel and your in serious trouble.

They may say that your leaning out due to not enough fuel, either buy a bigger pump or fit a fuel pressure regulator.

See'ya:burnout:

Yeah thanks...i'm not getting enough fuel. What does a fuel pressure regulator cost (estimate)?

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