brady

iTrader: (1)

Base before Uprev = 261whp 233wtq
After Uprev tune = 283whp 251wtq

Dynapack dyno

Every car is different but looks like an Uprev tune is good for about 20whp and 20wtq on a basicly stock car. I have a JIC exhaust.

With the stock map my car made 271whp, we found another 12whp after a few map adjustments. There is probably another 8-10whp in it but this is a safe, cool running tune.

My car was tuned at APH in Toronto.

Can't wait to see what 1/4 mile times I can pull now.

kd07z

iTrader: (2)

nice results. I have the tuner version and my car feels much stronger. i tuned it myself and i love it. congrats

Nexx

iTrader: (41)

so you gained about 10 from the exhaust and another 10 from tune.. sounds about right to me.

350ZnFuture

iTrader: (3)

nice

Smackin

Yep numbers sound good.... Congrats!

brady

iTrader: (1)

Exhaust was already on for the 261 baseline.

Either way I'm happy.

Nexx

iTrader: (41)

either way, great gains.

A.H

iTrader: (20)

Damn....amazing gains

I'm a little confused though. I have seen other UPrev tunes and nothing this significant in power even though they had many more bolt ons. If i recall, Solo had his car tuned @ Uprev and made 5whp bone stock. A cat-back shouldn't affect things too much, allowing an extra 15whp/wtq to be free'd up from the motor And you would think, the guys that created the software would be able to tune it better than other tuners using thier software.

MDHRZ

iTrader: (14)

Uprev FTMFW

T_K

iTrader: (5)

The HR engine, specifically in the Z, didn't have a lot of development time from Nissan. In the original application, the G35, it was intended for a higher flowing exhaust (dual exhaust). On the Z, the catback system stayed mostly unchanged except a slight change in the Y-Pipe design (most of which was probably borrowed from the G35 Sedan design).

2007-2008 350Z Y Pipe on Right Side:


2007 G35 Y Pipe:


The parts behind the Y Pipe were identical. My guess is Nissan created a fairly optimal base map while maintaining the ability to reuse the exhaust system with minimal changes.

If a bone stock 2007 Sedan can eek out around 10-12whp with an UpRev tune, then the theory is sound.

TK

brady

iTrader: (1)

Here is the Dyno for FYI purposes.

HawaiianBBQ

I've got an HR too... Thanks for putting up the Dyno results... Every bit of info helps.

brady

iTrader: (1)

Yep, really nice gains on the top end around 7,250 RPM (looks to be almost 40whp). We couldn't raise the rev limiter though, but there has to be a way to get it up to 7,800. I'll keep you posted.

The key is that this is a safe tune. I track the car (lap days and drag strip) and want to be sure I have a cool and safe running car. Any one can lean out a car and add or remove timing, but to do it safely, that is a different story.

singh

iTrader: (2)

I want to see some drag slips.

uglyduc

iTrader: (6)

This is similar to what I saw with my exhaust before and after, I haven't tuned yet.

Stock 260 whp, 233 ft-lbs
After Bassani 271whp, 241 ft-lbs

Lost around 2-6 hp between 2K - 3K rpm, but gain it back +5-11hp across the board the rest of the way.

Sound factor is good for another 5 - 10whp imo also

SOLO-350Z

iTrader: (26)

My dyno is in my sig, and my car just has HFCs and you see where that put me. I dynoed 261 stock with K&N drop ins only on a Dynojet.

0jiggy0

iTrader: (13)

That G35 Y pipe wasnt made specifically for the HR. I worked on a m35 last sat and it had that EXACT y pipe with the DE engine, and it has a true dual exhast with X pipe. When I saw it I was pretty angry at nissan lol. They made the Y pipe for the HR Z because with the extensions built into the Y pipe the piece wouldnt fit.

SOLO-350Z

iTrader: (26)

Car actually gained more than 5rwhp. It gained more through out the powerband itself. On a stock car it did 5 hp from like 2500-5000 and above that it was 8-10hp. That is a stock car. After the HFCs got on, the car started to gain way more power. I expect after I put on my MD TDX exhaust, that will put me somewhere in the 290s or so, and intakes 310s~.

I also track my car and requested the rpm to not be raised, and keep the tune safe.

A.H

iTrader: (20)

A raised rev limiter doesn't affect how much power you put down on a dyno because in my case my peak hp is around 7000 i believe. And I believe your gains were very good for a stock car and I could see them in the 290s with the exhast and HFC combo. That I don't doubt. I just thought it was odd that a car with just a cat-back gained 20whp from a tune. That's all.

brady

iTrader: (1)

I want to raise the rev limiter to better be able to stay in the power band. Dyno power really doesn't do much for me, I use it to tune and benchmark performance modifications. The track tells the real story. I was impressed also with my gains. At the top end it's a different car indeed.