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Nissan 370Z Forum (http://www.the370z.com/)
-   Nissan 370Z General Discussions (http://www.the370z.com/nissan-370z-general-discussions/)
-   -   Whp vs. Engine hp? (http://www.the370z.com/nissan-370z-general-discussions/36254-whp-vs-engine-hp.html)

Pelican170 05-11-2011 01:39 PM
Quote:
Originally Posted by Dizon248 (Post 1103757)
Ever figure that the 19bhp figure is wrong? Did you even think about how the hell can 5whp give you 19bhp? Yeah, that's right.

We already pointed out that your figure of 3.8x is totally whack. Why are you still assuming that the 19bhp is right?
Its not wrong. Is the sport 331 hp? Is the nismo 350? Difference of 19 hp. That has been dynod as approx. 5 whp from people who have put on a nismo exhaust on a sport. So thats where my info is comin from...

Sibze 05-11-2011 01:40 PM
Also, wouldn't an AT loose more than the MT

Dizon248 05-11-2011 01:40 PM
So you're telling me that the only thing thats giving the NISMO edition the 19hp advantage is the exhaust? Aren't there other things to the NISMO that gives it that extra 19hp?

Pelican170 05-11-2011 01:41 PM
Quote:
Originally Posted by Dizon248 (Post 1103757)
Ever figure that the 19bhp figure is wrong? Did you even think about how the hell can 5whp give you 19bhp? Yeah, that's right.

We already pointed out that your figure of 3.8x is totally whack. Why are you still assuming that the 19bhp is right?

Or the 5whp figure is wrong, something is wrong. There is no way there can be more than 300% differences between whp and bhp.

And what do you mean 24whp is only going to add 4bhp?. It is 28bhp. Your logic is confusing the crap out of me.
It would add more than 4 hp to the 24 whp that is dyno'd.

Sibze 05-11-2011 01:41 PM
http://www.tanyakhovanova.com/Jokes/xkcd/pi.jpg

Dizon248 05-11-2011 01:42 PM
Quote:
Originally Posted by Pelican170 (Post 1103789)
It would add more than 4 hp to the 24 whp that is dyno'd.
It's not adding 4hp, it's adding 28.........

Its 24whp or 28bhp. Take your pick.

Again, it looks like you're basing your "facts" off that 19bhp 5whp BS. There is no f'ing way that 19bhp is only going to give you 5whp, that is a factor of 3.8x like someone mentioned. If i had a 300whp care and converted with that 3.8 factor, my god..... I'm pretty sure there is more to that 19bhp than an exhaust. You're getting the 5whp from just an exhaust, or converted roughly to 6bhp.

dixon cider 05-11-2011 01:43 PM
Quote:
Originally Posted by shadoquad (Post 1103278)
I test it the old fashioned way. I line up at the drag strip next to a sled with X horses tied to it and the same weight in the sled. I haven't reached the point of testing whether we really get 330 horsepower, because I only got as far as 30 before running out of space for all the horses, and quite frankly, I'm tired of cleaning up the poops.
:bowrofl::bowrofl:

Red__Zed 05-11-2011 01:43 PM
Quote:
Originally Posted by m4a1mustang (Post 1103779)
When you guys finish sorting this out I'd like to know how many whp and bhp my NISMO plate frame buys me. It's stainless steel powdercoated black if that makes any difference... super durable.
Probably 25whp for the frame, and an extra 10 for the black powdercoat. I've found the license plate frames give almost as much whp as the nos stickers on my windshield.

Sibze 05-11-2011 01:44 PM
1 hp =

http://www.ridelust.com/wp-content/u...horsepower.jpg

4r3s 05-11-2011 01:45 PM
Quote:
Originally Posted by Dizon248 (Post 1103670)
Summary

Whp = bhp*(1-0.17)

bhp = whp / (1-0.17)
This as far as math equations go is correct, as far as the specific problem I can't say how accurate the equation is. The previous posts were really bothering me, yes, I am an engineer....

Pelican170 05-11-2011 01:46 PM
Quote:
Originally Posted by Dizon248 (Post 1103799)
It's not adding 4hp, it's adding 28.........

Its 24whp or 28bhp. Take your pick.
Nevermind its over your head. My point was, if the gain of 5 whp or 19 bhp shows a difference of 14, how does 24 whp have a 28 bhp, having a difference of only 4. Get it?

Dizon248 05-11-2011 01:49 PM
Quote:
Originally Posted by 4r3s (Post 1103809)
This as far as math equations go is correct, as far as the specific problem I can't say how accurate the equation is. The previous posts were really bothering me, yes, I am an engineer....
Yeap, I'm still trying to figure out what's up with the OP's post. 19bhp difference between the NISMO and the normal edition. The OP said people slapped on a NISMO exhaust onto the normal editions and only got 5whp. NISMO edition =/= normal + NISMO exhaust. NISMO edition probably has a tuned engine too to boost that bhp figure to 350.

The reason why I say that the NISMO editon =/= normal + NISMO exhaust is because 19bhp =/= 5whp. No way in f'ing hell.

Dizon248 05-11-2011 01:50 PM
Quote:
Originally Posted by Pelican170 (Post 1103818)
Nevermind its over your head. My point was, if the gain of 5 whp or 19 bhp shows a difference of 14, how does 24 whp have a 28 bhp, having a difference of only 4. Get it?
It's not over my head, I'm saying that 5whp and 19bhp is bs. OMFG!!!!

5whp only nets you 6bhp.

Isamu 05-11-2011 01:53 PM
Quote:
Originally Posted by shadoquad (Post 1103278)
I test it the old fashioned way. I line up at the drag strip next to a sled with X horses tied to it and the same weight in the sled. I haven't reached the point of testing whether we really get 330 horsepower, because I only got as far as 30 before running out of space for all the horses, and quite frankly, I'm tired of cleaning up the poops.
:bowrofl::bowrofl::bowrofl::bowrofl: :bowrofl: :pics:

Red__Zed 05-11-2011 01:54 PM
:facepalm:


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