Did a dyno day w/ mods. How does this look?
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I did a dyno day on a Dyno Jet with my friends Volvo S60R and had a few good pulls. I think I was expecting a little more but am pretty happy with this. I think my wheels may have kept my numbers a little low.
How does this look to all of you?
Mods:
DC Headers
JWT Popcharger
T-Pro Test Pipes
Borla TD Exhaust
19" Ruff Racing 278's (27lbs each)
Nitto Nt555's
HP = 246.85
![](http://www.jonathanallyn.com/350z/hp.jpg)
TORQUE = 234.6
![](http://www.jonathanallyn.com/350z/torque.jpg)
Air/Fuel
How does this look to all of you?
Mods:
DC Headers
JWT Popcharger
T-Pro Test Pipes
Borla TD Exhaust
19" Ruff Racing 278's (27lbs each)
Nitto Nt555's
HP = 246.85
![](http://www.jonathanallyn.com/350z/hp.jpg)
TORQUE = 234.6
![](http://www.jonathanallyn.com/350z/torque.jpg)
Air/Fuel
![](http://www.jonathanallyn.com/350z/airfuel.jpg)
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Originally Posted by justock
I am not an expert, but my understanding is that your air/fuel should be around 13.
+1 You need a tune because your running too lean! He is totally right about you needing to be around 13.
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With your A/F better you will def see hp/tq gains. For what its worth, I had a leaner A/F than you and when I tuned to 13:1 A/F I picked up 9whp and 12ft/lb's. Send your ECU to Technosquare WITH that dyno and A/F chart and they will tune you nice. Or get a piggyback of your choice and have it tuned. There is more in that set up.
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Why does the stock ECU lean the system out with bolt ons. Is this something native to our Z's or is this just common knowledge? I dont seem to remember having to think about tuning my Prelude until I built the motor and went FI.
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I don't trust those a/f's. I have never seen a g/z vq dyno with a/fs that are that steady(relatively speaking) through an entire gear. Most setups start out pretty lean at 3k, maybe lean up a bit up till 4500, then richen *way* out near redline. Like going from 15ish at the start of the run to high 12's at redline.
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