Nissan 370Z Forum

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-   -   Twin turbo setup (http://www.the370z.com/forced-induction/17209-twin-turbo-setup.html)

LiquidZ 04-06-2010 11:52 AM

Bullit, you are right. However, I can't justify the cost of building a high horsepower turbo build to only see it make gobs of power on a dyno with little to no driveability on the street. I'm not saying this is true for all builds, though.

370z TT 04-06-2010 11:53 AM

All you would need would be a boost controller, that is nother reason why superchargers are inefficient if you want to make a lo of horsepower

LiquidZ 04-06-2010 11:55 AM

Quote:

Originally Posted by 370z TT (Post 483357)
All you would need would be a boost controller, that is nother reason why superchargers are inefficient if you want to make a lo of horsepower

I fail to see how a boost controller has anything to do with efficiency.

bullitt5897 04-06-2010 11:59 AM

370z TT

I am going to do you a favor and give you some advice... watch what you say... You are miss using terms and will be eaten alive on the interwebz for it.

SC'ers are very effecient (the newer designs like the Rotrex) and make great power. However, they are limited to pulley size and only reach full boost toward the end of the powerband.

Turbo's can have adjustable boost controllers that allow the system to regulate how much boost can be held. Turbo's are not restricted (for the most part) by a pulley or other physical part.


Remember SC'ers pull power from the crank and Turbos pull power from exhaust flow.

370z TT 04-06-2010 12:14 PM

I've always heard people with superchargers complain about how their cars have low topend power, and the tend to run the motors too hard. The supercharger is restricted, and I am not trying to offend anyone. Superchargers are a lot of fun for road courses and acceleration, but for topend speed turbos might be slightly better. I come from muscle cars so a lot of people with mustangs would supercharger their rides and be happy, but when it came to high speed racing they couldn't compete because they lost a lot of power in the topend. I do not intend to offend anyone because everyone has their tastes, and turbos require a lot more labor and tuning than a supercharger, so they are not truly cost efficient, but for the amount of power that is made, it is worth it.

bullitt5897 04-06-2010 12:26 PM

370z TT your not offending anyone. I am just trying to keep you from getting flamed for FI "ignorance" so to speak. There is a bunch of good material on the Web that will help you with your understanding on the technology.

fairladyZ34 04-06-2010 12:38 PM

everyone wants and loves boost! just pour this in with your next oil change FTW
http://images.imed.com/prodimg/163809/450.jpg
or
http://technabob.com/blog/wp-content...ergy_drink.jpg
or
http://76.163.242.17/uploaded_images...ink-799194.jpg
or
http://bevwire.files.wordpress.com/2...ergy_berry.jpg
i hear that anyone of these products are good for an insant boost in performance. using one or any combo of these will net the greatest results!!:tup:

FuszNissan 04-06-2010 03:10 PM

I was dancing around the subject and Sam just dropped the bomb.
45K Damn! Gotta pay to play.

bullitt5897 04-06-2010 03:43 PM

YEP!!! Thats why I am fairly confident I will be one of the only 1000rwhp 370z's in existence :happydance:

XwChriswX 04-06-2010 03:51 PM

@ Bullitt


Adopt me! lol I smell a fat inheritance if you can drop 45k on a 30k car lol. :happydance:

FuszNissan 04-06-2010 03:53 PM

Well if you drop 85K on a GTR, then drop another 20K to get there, I think your still better off with the Z

XwChriswX 04-06-2010 03:54 PM

The website says its a 4.5L VQ35HR... not a VQ37... are they not planning on using the 370's native powerplant for these type of builds... or just needing to update it to reflect the newer engine? Or are they still in R&D of the 3.7L's capabilities?

XwChriswX 04-06-2010 03:55 PM

Quote:

Originally Posted by FuszNissan (Post 483849)
Well if you drop 85K on a GTR, then drop another 20K to get there, I think your still better off with the Z

Honestly, if I had the money to get a GTR, I'd still buy a Z and use the rest for mods. GTR is a status car to me... not a fun car you can make your own as easily as the Z series...

FuszNissan 04-06-2010 04:04 PM

I have driven TT Z and a GTR. I prefer the TT Z

bullitt5897 04-06-2010 05:35 PM

Quote:

Originally Posted by XwChriswX (Post 483840)
@ Bullitt


Adopt me! lol I smell a fat inheritance if you can drop 45k on a 30k car lol. :happydance:

HAHAHA! Dude over half my paycheck goes into paying for this build lol Maybe everyone can give me $10 bucks and help me recoup my costs :tup:

theDreamer 04-06-2010 07:03 PM

Quote:

Originally Posted by bullitt5897 (Post 483973)
HAHAHA! Dude over half my paycheck goes into paying for this build lol Maybe everyone can give me $10 bucks and help me recoup my costs :tup:

Pfht, clearly you did not see my post that I am the one making the community build. :stirthepot:

m4a1mustang 04-06-2010 07:03 PM

Quote:

Originally Posted by theDreamer (Post 484085)
Pfht, clearly you did not see my post that I am the one making the community build. :stirthepot:

Yeah I already sent you my $10. :shakes head:

CBRich 04-06-2010 07:38 PM

Truth right here.

Quote:

Originally Posted by bullitt5897 (Post 483360)
370z TT

I am going to do you a favor and give you some advice... watch what you say... You are miss using terms and will be eaten alive on the interwebz for it.


bullitt5897 04-06-2010 07:53 PM

Quote:

Originally Posted by m4a1mustang (Post 484086)
Yeah I already sent you my $10. :shakes head:


see thats what you get... you didnt go to someone reliable and had a plan laid out already. But hey if you want I will accept donations :happydance:

theDreamer 04-06-2010 07:55 PM

Quote:

Originally Posted by bullitt5897 (Post 484206)
see thats what you get... you didnt go to someone reliable and had a plan laid out already. But hey if you want I will accept donations :happydance:

Hey now, who ever said I do not have a plan. :shakes head:
My only issue is I research to much and never can pick because I expect perfection (which is impossible in anything).

bullitt5897 04-06-2010 08:02 PM

Hence why you chose "theDreamer" as your user name... Forever dreaming what if lol hehehehe

theDreamer 04-06-2010 08:03 PM

Quote:

Originally Posted by bullitt5897 (Post 484237)
Hence why you chose "theDreamer" as your user name... Forever dreaming what if lol hehehehe

Hey now, I have made some progress with things, just need to pick wheels (which will probably be another 6 months with me trying to find the right ones).
I do have one thing set in stone I know I want and just waiting till this Christmas to buy as my personal present: Bride Japan Edition Low Max Stradius Seats, so if people want to donate to help fund those. :D

mayesj101 04-07-2010 09:25 AM

Quote:

Originally Posted by XwChriswX (Post 483853)
The website says its a 4.5L VQ35HR... not a VQ37... are they not planning on using the 370's native powerplant for these type of builds... or just needing to update it to reflect the newer engine? Or are they still in R&D of the 3.7L's capabilities?

He's still using the VQ37 block, just bored and stroked to 4.5L. The max size you can bore out the VQ (if I remember) is ~4.2L.

ChrisSlicks 04-07-2010 09:42 AM

Quote:

Originally Posted by mayesj101 (Post 484862)
He's still using the VQ37 block, just bored and stroked to 4.5L. The max size you can bore out the VQ (if I remember) is ~4.2L.

I believe the VQ35 and VQ37 are the same basic block, the VQ37 simply uses a longer stroke. Everything else on the engines are different, heads, crank, rods etc.

Vegitto-kun 04-08-2010 06:25 AM

I would love to get that 1000HP kit but hey I don't live in america.

we never get the good stuff :roflpuke2:

mayesj101 04-08-2010 09:13 AM

Quote:

Originally Posted by ChrisSlicks (Post 484879)
I believe the VQ35 and VQ37 are the same basic block, the VQ37 simply uses a longer stroke. Everything else on the engines are different, heads, crank, rods etc.

You know what I meant-the starting point for the 1000hp kit is a stock VQ37-but it has been bored/stroked to achieve 4.5L.

The VQ35 and VQ37 actually are rather similar-the VQ37 is an updated version. I'm not saying they're clones, or just a few parts differ, but it's a twin-intake, 95.5mm bore, all-aluminum 4-valve-per-cylinder DOHC engine. The VQ37 increases bore by 4.6mm, introduces VVEL, and increases compression from 10.6:1 to 11.0:1. They're not all that different.

bullitt5897 04-08-2010 09:23 AM

To answer everyones questions yes the short blocks are identical minus the stroke. The heads and upper areas of the block are completely different.

W.O.W. 370Z 04-08-2010 02:52 PM

Quote:

Originally Posted by bullitt5897 (Post 483813)
YEP!!! Thats why I am fairly confident I will be one of the only 1000rwhp 370z's in existence :happydance:

If money is no issue, aim higher than 1000 WHP. Knock it out of the park. Where is the build thread? I saw you are no longer affiliated with Forged and ended the build due to financial reasons about two weeks ago. Less text/talk and more pics of build. :)

350z 1248 whp: YouTube - SP 350z 1248 rwhp!!!

ChrisSlicks 04-08-2010 03:48 PM

Quote:

Originally Posted by W.O.W. 370Z (Post 486989)
If money is no issue, aim higher than 1000 WHP. Knock it out of the park. Where is the build thread? I saw you are no longer affiliated with Forged and ended the build due to financial reasons about two weeks ago. Less text/talk and more pics of build. :)

350z 1248 whp: YouTube - SP 350z 1248 rwhp!!!

Don't believe everything you found on the internets. Did they post a dyno plot, no. They never posted their drag strip run either. If you play with the load settings on the dyno you can make it show all kinds of crazy numbers.

W.O.W. 370Z 04-08-2010 04:20 PM

Quote:

Originally Posted by ChrisSlicks (Post 487067)
Don't believe everything you found on the internets. Did they post a dyno plot, no. They never posted their drag strip run either. If you play with the load settings on the dyno you can make it show all kinds of crazy numbers.


Ask and you shall receive. While you can do that to a dyno, I think the track time is the proof we need. Check out the video below.

I am a veteran of my350z and the Z car in general. I do not post anything without some sort of research into creditability. 1000 whp is no easy task. Throwing money at it is half the battle. So that is why I said while he is aiming high, he might as well aim for truly unchartered territory...1300 and up.


Track Run 6MT not a 5AT: http://www.youtube.com/watch?v=-f1fjak5JXQ

http://www.spracingonline.com/upload...sp350_1150.jpg

http://www.spracingonline.com/upload...0z1248rwhp.jpg

bullitt5897 04-08-2010 04:48 PM

To answer ur question about the forged deal. Yes u were correct I did end it for those reasons... However, Sam has reached out and offered me a deal that has me back in the game! Sam wants this as much as I do! Which reminds me I need to call him :tup:

W.O.W. 370Z 04-08-2010 04:52 PM

Quote:

Originally Posted by bullitt5897 (Post 487149)
To answer ur question about the forged deal. Yes u were correct I did end it for those reasons... However, Sam has reached out and offered me a deal that has me back in the game! Sam wants this as much as I do! Which reminds me I need to call him :tup:


Get it done! Congrats

Snakes709 04-08-2010 09:51 PM

With a 4.5L stroker kit that Forged makes, what kind of hp would that make with just the engine?


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