NoLimit

iTrader: (7)

hey IP, ... I'll trade my F-Con V Pro for a Haltech Platinum PnP Standalone! ...

El Verdugo

Yeah and NO more only HKS dealers tuning option either
It can lock the tune as the UTEC, but also anyone can tune the system.

jksstar

iTrader: (7)

nice to see some big #s coming from a ST. Congrats and keep it up guys

BornSlippyZ

iTrader: (1)

Wow, single turbo! Good work.

GurgenPB

iTrader: (2)

????

Well, it doess affect it. If you did take it to 10,000 rpm, it would be a very good turbo. But not at 6000 rpm. At these rpm levels, you are loosing too much efficiency. I can prove this beyond an iota of a doubt, just don't want to take it off topic much more. PM me if you are interested.

taurran

iTrader: (18)

So was there ever a question that a large single could make big power? (keep in mind I don't mean you, as you're doing a ST) I can't believe people totally discount a single turbo setup. This is one of the biggest misconceptions on these forums, imo. It's all about fitting all that piping in the engine bay, and routing it efficiently. I think the results speak for itself.

I've been trying to get info on this car since WAY back in the day when it was painted black. I'm glad it's finally making the huge power it was built for!

I think we'll be seeing a few more big hp single turbo builds in the near future. They may not be as big as this, but they're certainly going to be impressive.

taurran

iTrader: (18)

Two huge turbos being spun from separate cylinder banks, or one huge turbo being spooled by the pulses from 3.5l of displacement from both banks? Both have lag, you've just gotta pick your poison when going for that much power.

I think you're going to see roughly equivalent lag in both instances. To combat that you obviously have to be very careful of turbo sizing, or try something like a divided turbine housing on a single setup...

Ghost 350z

iTrader: (15)

Woot!!!!!!

Zexy

iTrader: (55)

There are plenty of Supra, Mustangs, etc shooting 1000+whp with extremely fast times down the drag strip with huge turbocharger setups(some street cars) and they're not revving to 10k Most of these motors with that stroke won't allow those piston speeds anyways so what is it exactly that you propose mr engineer? A motor with a piston speed physically capable of spinning to 10k RPM would most likely have to be a motor with small displacement. I don't see a small displacement motor spinning a GT47.

Go ahead and prove what you are trying to prove. God knows what it is..... Are you trying to rain on Injected's parade? There's always that one member on my350 on the FI forums.

It would be nice if this didn't turn into another debate. If you want a debate make your own thread.

cubu

iTrader: (21)

there sure are a lot of haters, i wonder which loser made a new account just to post that hater message, what a fcking loser

kalima275Z

iTrader: (4)

Boo!

IIQuickSilverII

iTrader: (13)

THX723

iTrader: (3)

First off congrats to Injected Performance for breaking into the 1000whp terriotory. The achievement in itself is nothing short of amazing. That is a lot of force to be recon with.

. . . . .

I believe all that Gurgen was pointing out was that there could have been even more out of the car, regardless of the state of the tune, had the turbo size been better considered (a slight down sizing in this case).

I haven't seen the compressor map of the GT47-88, so I won't comment on whether it was indeed too big, just right, or too small. However, RPM has everything to do with choosing the ideal turbo size. Max flowrate being one of the key component, which is a function of displacement and engine RPM. Albeit smaller in displacement, a 10,000 RPM Supra can certainly achieve the type of flowrate the GT47-80 or GT-47-88 can best utilize. One would need to consult the compressor map to get to the bottom of this.

SoundPerformance

I have used the GT47s on 3L Supras as well as on 400+ cu inch V8s. I have never seen the power fall of as long as you are in the correct efficiency range of the turbo. This turbo will easily make 1000+ RWHP all the way to redline on this 4.2 L motor. I suspect there is something else going on here and it is DEFINITELY not the turbo. The stock intake manifold is not going to kill 200+ HP on the top end. I would guess tranny or converter. Easy way to check is look at the pulse width or duty cycle of the injectors. This will tell you how much HP the motor is making if the air fuel ratios stay consistent.


Larry

boostintt

iTrader: (65)

how bout some pics of your set up???

TayTaythatsme04

iTrader: (68)

^^^ +1

THX723

iTrader: (3)

That's right Larry. If in fact the motor operate in the peak turbo efficiency range, then you wouldn't expect power to fall.

There's also no saying one cannot attain over 1000hp operting outside of the peak turbo efficiency range and conversely making over 1000hp does not imply one's operating in the peak efficiency range.

The implication is that unless the turbo is operating in the peak efficiency range, there's always more power and sooner to be had.

chriskabobbers

iTrader: (13)

that ... is ... elite.

Audible Mayhem

iTrader: (48)

very nice!! now take it to the track... i see in the notes, it says 350z drag car


what kinda difference do you think the powerglide tranny makes compared to a stock 6mt. i will know in about a month with my own turbo400 and a big single for comparision..


also, not doubting anything but the actual graph only goes up to like high 9xx, then the max says 10xx, is there a different graph that pulls up higher and you might have grabbed one that is letting off at mid throttle?? just wondering, either way, who cares, that car is going to haul a$$!!!

QuadCam

iTrader: (8)

good eye for details..........

I was thinking that the curve is actually the torque curve, as measured, but the top of the left column does say "HP." the graph looks like it goes up to 9xx, but the read out on top says 10xx?