Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Tuning (http://www.the370z.com/tuning/)
-   -   How did I dyno this high? (not that I am complaining) (http://www.the370z.com/tuning/41450-how-did-i-dyno-high-not-i-am-complaining.html)

gmr19 08-22-2011 07:37 PM
Quote:
Originally Posted by John@Z1 (Post 1274430)
The highest HP NA 370Z that we've dynoed made 321rwhp. This was with LTH, Gen 3 and FI CB. We have a dynojet. But I hear you can go to another dyno and make more power than ours. Our clients say that our dynojet reads low :(.

I don't believe your car is a factory freak. I think that that dyno needs some work.
Did this same person happen to run his car stock before mods? Any other mods besides just LTH, Gen 3 and FI CB? Like a tune/test pipes?

Rooskey 08-22-2011 08:13 PM
Quote:
Originally Posted by wstar (Post 1273933)
Main problem with drag results is they're indicative of more than just how your engine is doing. What tires you're on, track conditions, extra equipment that helps with setup and launching (e.g. suspension, line lock, etc), what kind of tire rubber you're running, skinny front tires you'd never use on the street, and of course driver skill.
:iagree:

VaGntlmn 08-22-2011 08:37 PM
okay, so I'm a little slow; took me 12 hours to come up with this.
The dyno was a mustang dyno? That explains everything.
"Everybody knows Mustangs are highly over-rated" :roflpuke2:

John@Z1 08-23-2011 09:06 AM
Quote:
Originally Posted by gmr19 (Post 1274664)
Did this same person happen to run his car stock before mods? Any other mods besides just LTH, Gen 3 and FI CB? Like a tune/test pipes?
No and a GTR push start button(5hp).

partsguy 08-23-2011 09:14 AM
Quote:
Originally Posted by John@Z1 (Post 1275537)
No and a GTR push start button(5hp).
AND, he washed the car.... another 5hp.

gmr19 08-23-2011 07:52 PM
Quote:
Originally Posted by John@Z1 (Post 1275537)
No and a GTR push start button(5hp).
Damn, so he gained roughly 40 whp with those 3 mods? Pretty effin good!

John@Z1 08-24-2011 07:24 AM
Quote:
Originally Posted by gmr19 (Post 1276998)
Damn, so he gained roughly 40 whp with those 3 mods? Pretty effin good!
Sorry left out that it's a Nismo. I have the dyno graph. I'll get his permission to post it.

Vince@R/T 08-24-2011 08:15 PM
Quote:
Originally Posted by John@Z1 (Post 1274430)
The highest HP NA 370Z that we've dynoed made 321rwhp. This was with LTH, Gen 3 and FI CB. We have a dynojet. But I hear you can go to another dyno and make more power than ours. Our clients say that our dynojet reads low :(.

I don't believe your car is a factory freak. I think that that dyno needs some work.
This would be pretty much the same with our dyno. The fully tuned cars with all the typical bolt on's and stock headers lay out around 315ish and only the long tube headers cars make over 320whp. Bone stock 370's make between 275-285whp depending on how much timing the ECU was able to advance to....

Jordo! 08-30-2011 10:30 PM
Quote:
Originally Posted by John@Z1 (Post 1274430)
The highest HP NA 370Z that we've dynoed made 321rwhp. This was with LTH, Gen 3 and FI CB. We have a dynojet. But I hear you can go to another dyno and make more power than ours. Our clients say that our dynojet reads low :(.

I don't believe your car is a factory freak. I think that that dyno needs some work.
I'm assuming STD correction?

gaveup 08-31-2011 06:29 AM
Quote:
Originally Posted by 6MT (Post 1273115)
Well, do you think that if I were to travel down a very long hill and reach a very high top speed; that I would deduce that my car has more "power" than someone who runs a short run on a measuring device? Like a dyno? Trap speeds are measurements like dyno runs. But trap speeds can be very deceptive.... as the example above proves.
Trap speed.

As in, your trap speed at the end of the quarter mile shows your true horsepower better than an inflated/improperly configured dyno.
So yes, if I trapped 107mph, and you trapped say, 103mph we can deduce that my car makes more power.
It's not a hard concept, I just think you misread it..

Dyno numbers usually mean nothing unless you have a standard to compare to. It's a tuning tool, not a bragging tool.

To the OP: if other Z's make around that power on that dyno, I think you have nothing to worry about and should be happy :)

John@Z1 09-01-2011 11:18 AM
Quote:
Originally Posted by Jordo! (Post 1289890)
I'm assuming STD correction?
Here you go.

http://i991.photobucket.com/albums/a...g?t=1314893671

Jordo! 09-01-2011 11:18 PM
^^^ Huh. That's something all right. What was the actual SAE correction value?


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