Nissan 370Z Forum

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-   -   Greddy Twin-Turbo In Development (http://www.the370z.com/forced-induction/6028-greddy-twin-turbo-development.html)

CCCLXXZ 09-21-2009 10:06 PM

just finished initial dyno tuning of the twin TD06-20G Tuner Turbo kit. 450hp 370! The test drive feels good too!!!

about 3 hours ago from web (Greddy Twitter)

LiquidZ 09-21-2009 10:10 PM

Quote:

Originally Posted by CCCLXXZ (Post 207856)
just finished initial dyno tuning of the twin TD06-20G Tuner Turbo kit. 450hp 370! The test drive feels good too!!!

about 3 hours ago from web (Greddy Twitter)

Good find.

Buddy Revell 09-22-2009 08:37 PM

Quote:

Originally Posted by CCCLXXZ (Post 207856)
just finished initial dyno tuning of the twin TD06-20G Tuner Turbo kit. 450hp 370! The test drive feels good too!!!

about 3 hours ago from web (Greddy Twitter)

Here's more info about it: http://greddy-usa.blogspot.com/2009/...0z-coming.html

"On SP's dyno the base Tuner Kit with the optional pre-programed emanage Ultimate fuel kit and full dual 70mm Turbo Ti-C exhaust the Z put down a healthy 449.5whp! at just 0.45kg/cm2, on a conservative 91 pump gas tune.

Not only is it great on the dyno for a stock VQ37HR engine, but its also a great ride on the road. We have been breaking in our new GTR in stock form and we think this Tuner Turbo kit for the Z feels even more fun!"

LiquidZ 09-22-2009 08:47 PM

Quote:

Originally Posted by Buddy Revell (Post 209059)
Here's more info about it: Welcome to the official GReddy USA blog: 450whp Tuner Turbo Kit for 370Z coming soon!

"On SP's dyno the base Tuner Kit with the optional pre-programed emanage Ultimate fuel kit and full dual 70mm Turbo Ti-C exhaust the Z put down a healthy 449.5whp! at just 0.45kg/cm2, on a conservative 91 pump gas tune.

Not only is it great on the dyno for a stock VQ37HR engine, but its also a great ride on the road. We have been breaking in our new GTR in stock form and we think this Tuner Turbo kit for the Z feels even more fun!"

Finally a video! I'm really liking how the FI market is panning out for the Z.

The Ti-C sounds mean :stirthepot:

Sharif@Forged 09-22-2009 08:56 PM

Very good initial results. Sounds like they are starting to make some good progress. :)

Buddy Revell 09-22-2009 09:00 PM

Is 0.45kg/cm2 6-7 lbs. of boost?

Valentino 09-22-2009 09:54 PM

Finally a full throttle video, and a Dyno sheet For a 370z TT :tup:

http://4.bp.blogspot.com/_1agu36yXDm...g_370Zdyno.jpg

kannibul 09-22-2009 10:49 PM

Quote:

Originally Posted by Turbo Tuner (Post 101596)
As much as i hate to admit this, but Phimosis is correct and hit the nail on the head with that statement. As an owner of both a modded Viper GTS & 900HP single turbo MKIV Supra... there really isn't/wasn't any import sportscar out there out recently that was a blip on my jaded radar* But this new 370, address all the faults of the more refined second gen 350's with the HR motor, improves on everything else significantly, all while being lighter and having more of everything. It newer styling along with its refinement makes it a great buy and value at the price point i've seen local dealers selling it for. Very great value* It WILL be stealing a few porsche, vette and BMW buyers... ;)

I'm a great example of this...I liked the Cayman S (but it was out of range), and was in the market for a sports car. The Mustang GT500 was on my list as well - basically I was looking at 30K-55K. The Z came out...I saw the lines of the Cayman S in the car, and it's pricing starting at half as much. I can't imagine myself a Vette owner, or a BMW owner...

Modding it wasn't even in the picture, even when I bought it a few months ago - but, if a SC kit comes out, I may have to reconsider. It's a great debate between warranty coverage if something goes boom or, chasing that idea of having more power, or, leaving it all until my debts are paid off, which, including the Z, might be a couple years....which timing-wise, might be a good thing as all the kinks and bugs should be long gone by then and prices come down...lol...time will tell...lol

kannibul 09-22-2009 10:55 PM

Quote:

Originally Posted by in.the.dark (Post 121509)
That's not really true. They create different stresses, and it is easy to argue that driving another accessory is a lot less stressful than putting many pounds of pressure for the engine to work against between the exhaust valve and turbine. And that's not to mention the HEAT. Turbo setups run a helluva lot hotter than supercharger.

Yeah, not to mention the oil being used to cool the turbos themselves, and this car already had a tiny oil heat "issue"

A cooler would be manditory, if you happen to track the car, you might need two oil-cooler cores and chain them together.


one other thing I don't like about turbos is that you have to give them time to cool/spin down after driving so that they aren't screaming and their oil supply shut off, roasting the oil...etc.

kannibul 09-22-2009 11:02 PM

Quote:

Originally Posted by nightfire (Post 128019)
+1. I think the greddy kit won't be as popular as it was on the 350Z and many more 370Z owners will be looking into other TT kits or most likely S/C kits just because they don't want that much turbo lag nor do they want that much power.

I think the key is controllable power. One nice thing about SC's is that it's instant, both with on and off throttle - no spool up time (granted, turbos are getting better spool up times, but, still not as quick!)

Brazilbro 09-22-2009 11:56 PM

I'm suprised at the Dyno graph.. with most turbo cars the tq. comes on real strong and then tappers out at the end. It looks like with the vvel it some how even with the turbos kicking in keeps the tq flat and straight.

kannibul 09-23-2009 12:13 AM

Quote:

Originally Posted by Brazilbro (Post 209324)
I'm suprised at the Dyno graph.. with most turbo cars the tq. comes on real strong and then tappers out at the end. It looks like with the vvel it some how even with the turbos kicking in keeps the tq flat and straight.

It's changing the duration/lift - it makes sense in a way...it'd restrict the amount of boost the engine will allow in the cylinder...and the rest would be blown off?

That said, I don't like how the dyno starts at around 3.5K, and given that, it'd show a lower low-end torque.

Brazilbro 09-23-2009 12:28 AM

1 Attachment(s)
heres a pic of an EVO X with upgraded turbo.. I was expecting the Z to have peak HP and TQ closer to the same numbers, with a kick your *** tq curve like this

JoeD 09-23-2009 01:38 AM

Quote:

Originally Posted by Brazilbro (Post 209324)
I'm suprised at the Dyno graph.. with most turbo cars the tq. comes on real strong and then tappers out at the end. It looks like with the vvel it some how even with the turbos kicking in keeps the tq flat and straight.

If a turbocharged car has a flat torque-curve, it means the turbos are too small. :)

450 RWHP on ~6.4 PSI with I'm assuming only their turbo-kit, exhaust, and a tune is not too bad.

G37Sam 09-23-2009 07:13 AM

It sounds INSANE!


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