Nissan 370Z Forum

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-   -   FI with continous high speed driving 130MPH+ (http://www.the370z.com/forced-induction/63944-fi-continous-high-speed-driving-130mph.html)

Mitco39 12-06-2012 03:19 PM

Quote:

Originally Posted by FPenvy (Post 2048633)
i think the GT3 is also .30 drag coefficient as well. and to be honest .30 isnt bad at all considering the GT-R is .26 and thats really good. the new lambo aventador is .33 DC so the Z is better than a lambo yea i said it lol :bowrofl:

The lambo is so bad because look at all that surface that the air brushes up against, haha.

DEpointfive0 12-06-2012 03:19 PM

Quote:

Originally Posted by Mitco39 (Post 2048593)
According to my spreadsheet.

640hp - 210 mph Rev Limter Governed
500hp - 210 mph Rev Limiter Governed
450hp - 208 mph
400hp - 199 mph
350hp - 188 mph
300hp - 176 mph
280hp - 170 mph

Based on the math anyways.

What spreadsheet? A Bugatti Veyron needs 250hp to reach 155MPH

Quote:

Originally Posted by FPenvy (Post 2048600)
wouldnt weight also be a factor in this or are you just setting one weight in the equation?

i mean with higher HP youre typically adding weight with engine parts, turbos, coolers, etc...

i know it may not matter since its just a simple equation for fun purposes but just a thought lol

I kind of agree, but at the same time, power will always trump all... The weight of a full blown turbo kit isn't going to add 500 pounds vs the 200-300 extra horsepower you'll get.

Quote:

Originally Posted by conmam (Post 2048610)
Yes, But has anyone ever officially and practically tested any of these numbers ? I love to know.

Also, I assume that these are rear wheel horsepower that you are stating. I am looking for about 480 - 500 reliable whp for my future FI . I can only hope to get up to 193 mph for my Z at 500whp, then I will be so much happy.

At speeds close to 200MPH your bigger issues SHOULD be aerodynamics, BRAKES, TIRES, and gearing... Does anyone know if the theoretical top speed of the 370Z is even 200MPH? I would assume the gearing wouldn't allow it because of how short the gears are...

Google provided me with this:
http://www.the370z.com/nissan-370z-g...tml#post247002

Again, that's just based on math... I doubt the car will go that fast though...

God bless the crazies in Germany that want to take their 370Z TO 200MPH... I wouldn't feel safe, nothing in the car is designed to go that fast

FPenvy 12-06-2012 03:20 PM

Quote:

Originally Posted by Mitco39 (Post 2048636)
The lambo is so bad because look at all that surface that the air brushes up against, haha.

just stating facts lol i like to :stirthepot: for fun :tup:

Mitco39 12-06-2012 03:21 PM

Quote:

Originally Posted by DEpointfive0 (Post 2048637)
What spreadsheet? A Bugatti Veyron needs 250hp to reach 155MPH

I kind of agree, but at the same time, power will always trump all... The weight of a full blown turbo kit isn't going to add 500 pounds vs the 200-300 extra horsepower you'll get.

I posted a link to it in this thread already, but thats in the ballpark of what I figured . Take a look at it and let me know what you think.

DEpointfive0 12-06-2012 03:22 PM

Quote:

Originally Posted by FPenvy (Post 2048619)
why are people so amazed when someone puts the did 130+mph? (not directed at (not directed at poster just general question) lol i feel weird that when i say the speeds i do and get looks from other Z owners like "what didn't you know it could do that?" :bowrofl:

i hit my speed limiter a few hours after i bought mine on the 1200 mile drive home i had :tup:


No, I know it will go that fast, and faster, I have gone 125+, but only for a short period of time, cruising at 130+, God bless Germany, lol

FPenvy 12-06-2012 03:22 PM

Quote:

Originally Posted by DEpointfive0 (Post 2048637)
What spreadsheet? A Bugatti Veyron needs 250hp to reach 155MPH



I kind of agree, but at the same time, power will always trump all... The weight of a full blown turbo kit isn't going to add 500 pounds vs the 200-300 extra horsepower you'll get.



At speeds close to 200MPH your bigger issues SHOULD be aerodynamics, BRAKES, TIRES, and gearing... Does anyone know if the theoretical top speed of the 370Z is even 200MPH? I would assume the gearing wouldn't allow it because of how short the gears are...

Google provided me with this:
http://www.the370z.com/nissan-370z-g...tml#post247002

Again, that's just based on math... I doubt the car will go that fast though...

God bless the crazies in Germany that want to take their 370Z TO 200MPH... I wouldn't feel safe, nothing in the car is designed to go that fast


yea i agree the weight added vs HP gained isnt a big variable.

also i found a video on youtube one day of a guy on a track i think in germany in a stock 370 with the limiter off hitting 179. id search for it but youtube is blocked at work :shakes head:

DEpointfive0 12-06-2012 03:22 PM

Quote:

Originally Posted by Mitco39 (Post 2048640)
I posted a link to it in this thread already, but thats in the ballpark of what I figured .

My bad, I didn't read all 5 pages of this thread
Sorry:tiphat:

FPenvy 12-06-2012 03:23 PM

Quote:

Originally Posted by DEpointfive0 (Post 2048642)
No, I know it will go that fast, and faster, I have gone 125+, but only for a short period of time, cruising at 130+, God bless Germany, lol

i made it from my work just north of pittsburgh to just outside DC in under 4 hours (map quest says its a 5hr 45min trip) before lol i avg'd about 120-ish for a good part of the PA turnpike. i love radar detectors :tiphat:

LafitteZ 12-06-2012 03:41 PM

fellas just chip in and help me get a set of tires rated for those speeds. Ill top that bitch out. I have a built tranny. Nothing says i cant top my z out if the engine holds together. Im scared the tires I have will blow to bits. Volk wheels, built tranny, full supension, lowered, 540 wheel hp. Ill take it to the top. Tires are my weekest link. I even have racing harnesses and a weld in roll bar. I....Aint.....Scared lolol. The z id a beast with turbos.

FPenvy 12-06-2012 03:44 PM

Quote:

Originally Posted by LafitteZ (Post 2048683)
fellas just chip in and help me get a set of tires rated for those speeds. Ill top that bitch out. I have a built tranny. Nothing says i cant top my z out if the engine holds together. Im scared the tires I have will blow to bits. Volk wheels, built tranny, full supension, lowered, 540 wheel hp. Ill take it to the top. Tires are my weekest link. I even have racing harnesses and a weld in roll bar. I....Aint.....Scared lolol. The z id a beast with turbos.

if i had that set-up i would have already tested it and hoped for the best with the tires lol :bowrofl:

Rusty 12-06-2012 07:32 PM

Quote:

Originally Posted by conmam (Post 2048454)
Does anyone know a better oil pan for this VQ37 engine in the market than the Greddy one ?? All of us, please let me know if you do .......

I found AM Performance oil pan. The baffle plate design looks pretty killer and awesome but costs 1 grand. Worst than that, these AM performance people NEVER replied to my emails at all. Their telephone number in Scotts Valley, Ca is disconnected as well ......

AM Perf. is out of business. There are a few of their oil pans floating around. But nobody is giving them up. :( One person in another thread said that they MIGHT make a couple of them. But that dead ended. :mad: I'm using a oil pan spacer right now. Might go to the Greddy later.

Rusty 12-06-2012 07:35 PM

Quote:

Originally Posted by FPenvy (Post 2048652)
i made it from my work just north of pittsburgh to just outside DC in under 4 hours (map quest says its a 5hr 45min trip) before lol i avg'd about 120-ish for a good part of the PA turnpike. i love radar detectors :tiphat:

Got to love the Pa. turnpike. The only place that posted your speeding fine along side of the road. :tup: If you're going this fast, this is your fine.

Mr.Squeeze 12-06-2012 08:58 PM

Before I switched my stock final drive to 3.3 I looked at this now with my tune and 7800 I can get a little higher each gear.
This should give everyone a idea of what the top speed can be with our cars.

STOCK 3.357 Gear-- ECU REFLASH 3.357 ---HR Engine
6600 Rpm Redline --------7200 Rpm Redline----------7500 Rpm Redline

First------40mph ------First-----44mph-----------First-----46mph
Second ----66mph ------Second----71mph-----------Second----74mph
Third------94mph-------Third----102mph-----------Third----107mph
Forth-----120mph-------Forth----131mph-----------Forth----136mph
Fith------152mph-------Fith-----166mph-----------Fith-----173mph
Sixth-----192mph-------Sixth----209mph-----------Sixth----218mph

STOCK 3.538 Gear-- ECU REFLASH 3.538 ---HR Engine
6600 Rpm Redline -------7200 Rpm Redline-----------7500 Rpm Redline

First -----38mph ------First-----42mph-----------First-----43mph
Second ----62mph-------Second----68mph-----------Second----71mph
Third -----89mph-------Third ----97mph-----------Third----101mph
Forth ----114mph-------Forth----124mph-----------Forth----129mph
Fith -----144mph-------Fith-----158mph-----------Fith-----164mph
Sixth ----182mph-------Sixth----199mph-----------Sixth----207mph

No Reflash 3.7 Gear-- ECU REFLASH 3.7 ----HR Engine
6600 Rpm Redline ---------7200 Rpm Redline---------7500 Rpm Redline

First -----36mph-------First ----40mph-----------First-----41mph
Second ----59mph-------Second----65mph-----------Second----68mph
Third -----85mph-------Third ----93mph-----------Third-----97mph
Forth ----109mph-------Forth----119mph-----------Forth----124mph
Fith------138mph-------Fith-----151mph-----------Fith-----157mph
Sixth-----174mph-------Sixth----190mph-----------Sixth----198mph


No Reflash 3.9 Gear -- ECU REFLAH 3.9-----HR Engine
6600 Rpm Redline ----------7200 Rpm Redline-------7500 Rpm Redline

First ------35mph-------First ---38mph-----------First-----39mph
Second -----56mph-------Second---62mph-----------Second----64mph
Third ------81mph-------Third----88mph-----------Third-----92mph
Forth------103mph-------Forth---113mph-----------Forth----117mph
Fith-------131mph-------Fith----143mph-----------Fith-----149mph
Sixth------165mph-------Sixth---180mph-----------Sixth----188mph


No Reflash 4.083 Gear-- ECU REFLASH 4.083--HR Engine
6600 Rpm Redline ------------7200 Rpm Redline---------7500 Rpm Redline

First ------33mph--------First ---36mph----------First-----38mph
Second -----54mph--------Second---59mph----------Second----61mph
Third ------77mph--------Third ---84mph----------Third-----88mph
Forth ------99mph--------Forth---107mph----------Forth----112mph
Fith ------125mph--------Fith----137mph----------Fith-----142mph
Sixth -----158mph--------Sixth---172mph----------Sixth----179mph

elperuano 12-07-2012 01:39 PM

I'm lost...... Lol

Mr.Squeeze 12-07-2012 04:47 PM

Quote:

Originally Posted by elperuano (Post 2049960)
I'm lost...... Lol

The right colum applies to our cars with 7500 rpm 3.357 gears is what I have in my car .
Stock is the 3.7


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