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1999 Nissan Skyline R34 GTR Vspec

Forged bottom end

R34 turbos rebuilt with gt2860-7 cores

660cc injectors

Weldina NE-1 Exhaust

Link g4 plug in ecu

19psi

BP 98

332kws atw

516nms atw

332kw on 98 with -7's? I call shenanigans.

  • Like 1
  • 3 weeks later...

Hi all just got my R33 GT-R le mans tuned.

Unopened r33 rb26 done just under 100,000 (whether it is legit or not lol)

Mods:

r34 n1 turbos

Ported stock manifolds

Split dump pipes

Xforce front pipes

100cel cat 3"

3.5" cat back

Apexi pods

Trust fmic

Hks evc-5

Link g4+ ecu (no afm's)

Siemens 660cc injectors

Nismo fuel reg

Walbro 255

OS Giken twin plat clutch

Probably more i missed.

Made 300hp on 14psi

365hp on 20psi

Was hoping for abit more after seeing some of the results here, but tuner said to do cams/gears/springs and should get near the 400hp mark.

You should only need cam gears, the cams and springs are more then fine to support over 300kw(400hp)

Might want to get rid of the split dumps and maybe check the fuel is good (i.e. The servo put the correct stuff in their pump)

  • Like 1

You should only need cam gears, the cams and springs are more then fine to support over 300kw(400hp)

Might want to get rid of the split dumps and maybe check the fuel is good (i.e. The servo put the correct stuff in their pump)

Thanks for your input,

will probably change cam gears next time i service it, dumps i probably should have changed when the turbos got replaced last week lol :(

and the fuel has been sitting in the tank for around 4 weeks so shouldn't be foul and i used caltex 98, but yeah possibilty of shit fuel maybe.

You should only need cam gears, the cams and springs are more then fine to support over 300kw(400hp)

Might want to get rid of the split dumps and maybe check the fuel is good (i.e. The servo put the correct stuff in their pump)

Depends what split dumps they are, I have split dumps on both my cars, 32 on stock turbs makes 291rwkw at 19psi and the 34 with GT-RSs on a 3.0 made 435awkw on 24psi

Does this seem low/laggy?

34R

Haltech Platinum Pro

N1 manifolds

-9s

HPI dumps and 3" front pipes

Full 3.5" exhaust after merge, catless

Stock airbox with apexi panel

E85 with 1000cc Injextors and 460lph walbro

22psi despite what graph says.

Cam gears, intake 3deg advance, exhaust 3deg retard.

Twin turbo pipe mod

Torque is oddly high also.

Rpm jumo was explained as tacho pickup on the injector wire because he can't get to the coils

I have a second graph that's fine.

post-23873-14625318996708_thumb.jpg

Edited by ActionDan

Does this seem low/laggy?

34R

Haltech Platinum Pro

N1 manifolds

-9s

HPI dumps and 3" front pipes

Full 3.5" exhaust after merge, catless

Stock airbox with apexi panel

E85 with 1000cc Injextors and 460lph walbro

22psi despite what graph says.

Cam gears, intake 3deg advance, exhaust 3deg retard.

Twin turbo pipe mod

Torque is oddly high also.

Rpm jumo was explained as tacho pickup on the injector wire because he can't get to the coils

I have a second graph that's fine.

You would need to find out exactly what the revs are for us to know but going off the speed it looks like it was dynoed in 3rd or maybe 4th

My 4th goes 205@7000 but then it is a little bit longer the factory

You would need to find out exactly what the revs are for us to know but going off the speed it looks like it was dynoed in 3rd or maybe 4th

My 4th goes 205@7000 but then it is a little bit longer the factory

Dropping off at 160kph seems like 3rd if it was revving around or over 7000 rpm?

4th apparently

I just liked to drive them and when they do not do what I want, i changed it until I was happy. So I guess it is up to you, if you feel the car runs great, it is great :)

Going off the Dyno I think yours looks really good and should drive great on the road and track. "Can only guess about the track, lol"

How do you like it ?

Post the 2nd graph

Twin GTX2860R 0.72 rear housings

Precision 46mm ext gates

Custom stainless steam pipe equal length high mount manifolds

Tomei oversize oil pump

ID 1000's

Twin Walbro 255's

2.5″ stainless dumps, 3" dump back

CNC Steel adjustable cam gears

Twin 6″ K&N pods

PWR Aero2 cooler with 3″ outlets

PWR twin pass X-flow 55mm radiator

PWR 21 row oil cooler

SPAL 16″ skew blade 2000CFM thermo fan

3 Quart Accusump

Custom RWD R33 GTR sump

CNC Steel adjustable cam gears

Stock cams

Stock bottom end

Stock head

373.2kw @17psi on E85

Compression test prior to the dyno came up with 185-190 across all 6, not sure why it was so high. Tried wounding out some power but caused misfires, so wouldn't make any less.

New cams, ECU and valves coming in the next few months, no idea what it will make when retune happens.

hmUNRuel.jpg

LPcbZKSl.jpg

  • Like 2
  • 3 weeks later...

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