Where do the extra horses come from?

Jordo! · 10-01-2014, 04:06 PM

Quote:

Originally Posted by mishuko

has anyone dyno'd stock vs stock+nismo cbe for an expensive comparison?

I have noticed that Nismo's tend to dyno a bit higher with the same mods, relative to non-Nismos. Initially I thought this was due to different VVEL tuning, but it seems as though they are not different (or there are as yet unidentified other tables in the ECU to play with).

Now my thought is that this is probably more likely due to noise (random differences dyno to dyno reading) and that some of those non-Nismo dynos were on modded but untuned cars.

I can confirm that the OEM H-pipe and catback is MUCH better than either the OEM non-Nismo or Weldina Nismo Y-piped exhaust.

DOOMMONKEY777 · 10-01-2014, 04:49 PM

Wut about S-Tune exhaust? Eh?

NeoRacer · 10-02-2014, 10:58 AM

What's the difference between HP & Torque in real world driving. The 370z has the same torque as the old one but more horsepower? So where would one experience the difference driving

SouthArk370Z · 10-02-2014, 01:01 PM

In a nutshell, torque gets you off the starting line and HP gets you across the finish line.

DavidZ370 · 10-02-2014, 01:24 PM

If your getting the Nismo for more HP your doing it wrong

MJB · 10-02-2014, 01:35 PM

Quote:

Originally Posted by NeoRacer

What's the difference between HP & Torque in real world driving. The 370z has the same torque as the old one but more horsepower? So where would one experience the difference driving

"Where horsepower determines how fast a vehicle can travel, torque at the wheels determines how quickly that speed can be reached. The greater the torque figure, the faster the acceleration."

HP sells cars, TQ wins races

Spooler · 10-02-2014, 02:53 PM

Extra horses come from Momma horses...... Just sayin.

0101 · 10-03-2014, 01:01 PM

Quote:

Originally Posted by MJB

"Where horsepower determines how fast a vehicle can travel, torque at the wheels determines how quickly that speed can be reached. The greater the torque figure, the faster the acceleration."

HP sells cars, TQ wins races

lol, none of that is true.
HP=(RPM * T) / 5252

A car with high TQ relative to HP simply means it doesn't rev up as high as should.

How fast a car accerates, after the car has passed 5,252rpm is a funtion of THE AREA UNDER THE CURVE. The curve a function of the rpm ranges as dictated by gearing.

This is why something like a 290hp NSX with much less TQ, destroyes a 370Z in a straight line.

Torque is only useful really for 0-60 times and trucks that need to pull things.
In sports cars where you're in gears 2-6 much more than gear 1, HP is much more important.

Jordo! · 10-03-2014, 01:05 PM

Quote:

Originally Posted by DOOMMONKEY777

Wut about S-Tune exhaust? Eh?

Sorry, I wasn't clear.

S-tune = Weldina = Nismo Y-pipe = Crap.

The Nismo "take-off" exhaust with H-pipe is MUCH better in terms of power and quality.

Both sound good, but power aside, I kept getting cracks on the S-tune Y-pipe that needed to be welded... terrible

Jordo! · 10-03-2014, 01:08 PM

Quote:

Originally Posted by MJB

"Where horsepower determines how fast a vehicle can travel, torque at the wheels determines how quickly that speed can be reached. The greater the torque figure, the faster the acceleration."

HP sells cars, TQ wins races

Eh... not exactly... as something of a rejoinder: "HP will win the race, while TQ puts a smile on yer face"

MJB · 10-03-2014, 01:20 PM

Quote:

Originally Posted by 0101

Torque is only useful really for 0-60 times and trucks that need to pull things.
In sports cars where you're in gears 2-6 much more than gear 1, HP is much more important.

Lol @ tq is only useful for 0-60 times. Really? So after that, tq isn't a factor?

OP, watch this... it can help you understand TQ and HP relation

10-01-2014, 04:49 PM	#17 (permalink)
DOOMMONKEY777 A True Z Fanatic Join Date: Sep 2010 Location: Crooklyn Posts: 1,008 Drives: 370Z 6psd-sport-pkg Rep Power: 20	Wut about S-Tune exhaust? Eh? __________________ Kids don't do Drugs, Drugs are bad, so let the professional druggies do Drugs for you. 537whp/496lb/tq@8-9PSI 93 octane

10-02-2014, 01:01 PM	#19 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324197	In a nutshell, torque gets you off the starting line and HP gets you across the finish line. Jordo!, 2011 Nismo#91 and gomer_110 like this. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

10-02-2014, 01:24 PM	#20 (permalink)
DavidZ370 A True Z Fanatic Join Date: Oct 2013 Location: [= Posts: 1,065 Drives: 17' CWP STI Rep Power: 22	If your getting the Nismo for more HP your doing it wrong 2011 Nismo#91 and 6MT-Z34 like this.

10-02-2014, 02:53 PM	#22 (permalink)
Spooler A True Z Fanatic Join Date: Jun 2014 Location: Ga Posts: 13,539 Drives: 2013 Nismo 370z Rep Power: 2684391	Extra horses come from Momma horses...... Just sayin. MJB likes this.

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10-02-2014, 10:58 AM	#18 (permalink)
NeoRacer Base Member Join Date: Jul 2014 Location: Seattle Posts: 43 Drives: 2014 370z Touring Rep Power: 10	What's the difference between HP & Torque in real world driving. The 370z has the same torque as the old one but more horsepower? So where would one experience the difference driving