Nissan 370Z Forum - Induction parts + ECU reflash dyno results

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- - Induction parts + ECU reflash dyno results (http://www.the370z.com/tuning/4594-induction-parts-ecu-reflash-dyno-results.html)

Quote:

Originally Posted by Uprev (Post 113127)

We noticed the same thing. The 370Z is so tightly regulated that it nails the peak HP within something crazy like .4hp every time. Insane control. These ECUs are amazing, and we're working to figure it all out.

Glad your see'n similar results...Now, give me your ECU!

No, but seriously, if you need me to do some testing here in the NYC tri-state area let me know... :tup: ;)

Quote:

Originally Posted by Phimosis (Post 73525)

lol... ok two more last thoughs.....

After the ECU reflash, the engine makes more power from 6800 to 8100 than it did at peak before the reflash.

I had Technosquare do the install of all the parts. They charged me $700. Everything was done in one day. The fit and finish on the install is perfect. The guys there are very nice and knowledgeable. Everyone speaks Japanese better than English, but there was no communication barrier.

Richie and Howard are SUPERB mechanics. They have been in the business a very very long time.

What reflash is this?

Quote:

Originally Posted by ErnieT (Post 128421)

What reflash is this?

Technosquare.

Quote:

Originally Posted by Phimosis (Post 73519)

http://i84.photobucket.com/albums/k3...t/370zdyno.jpg

Sorry the image quality is low. I snapped this from my iPhone.

Black line: Stock, but with rear muffler section removed.

Red line: Stillen G3 intakes, Stillen headers, Stillen Cats, Stillen exhaust.

Blue line: Stillen parts + Technosquare ECU reflash + dyno time.

In summary: $3,200 in Stillen parts gave a 26 hp increase over stock to bring it up to 328 compared to the original 302.

$700 for ECU reflash and dyno time ($500 for reflash only) gave an extra 15 whp for a total of 343 whp.

In total, it was nearly $5,000 including installation of the parts to gain 40 whp over stock. The throttle response in now extremely precise. The sound is wonderful, the over-rev to 8100 rpm is phenominal. The "Buzzy" engine vibrations that car magazines have been talking about are no worse above 7500 rpm. If anything, it smooths out a little.

One last thought: Lets pretend I gained 2 hp from removing the stock rear exhaust section. This car would have made 300 hp in this dyno. If the stock engine was 332 crank hp and it made 300 hp on this dyno, that's a conversion factor of 1.1066 for frictional loss (332/300). After mods, this car is making 343 hp on this dyno, which would be roughly 380 hp at the crank (343 x 1.1066). Not bad.

-Phim

Dude!!!! Your return on investment (ROI) totally sucks!! In terms of a "biggest bang for the buck" you just got got laid over the railing. I hope they at least gave you a jar of free vaseline for the rape you just got.

You just paid between 3 to 4 times over the average cost for HP per mod-dollars spent. The acceptable average cost of a mod per HP gain is $25 to $30 per HP.

To be considered a "good" ROI for car modding the general ratio for
mod-money spent per HP gained is $25 to $30 for every 1-HP gained. You paid $125 per 1-HP gained given your configuration!! :eek:

Quote:

Originally Posted by ZKindaGuy (Post 129026)

did you figure in that he cant go turbo......?...... some of us in more modern states have a hard time passing emisions.

Quote:

Originally Posted by fuct (Post 129038)

did you figure in that he cant go turbo......?...... some of us in more modern states have a hard time passing emisions.

Not to mention this is pretty much near stock reliability, something boost just cant claim. Coming from a 350 myself gains like this are pretty awesome! Even a Vortech kit for the 350 turns into near $10K when you factor in install, tune, extras and supporting mods like I/H/E and thats a headache Id rather not go through again.

Quote:

Originally Posted by fuct (Post 129038)

did you figure in that he cant go turbo......?...... some of us in more modern states have a hard time passing emisions.

So what's your point? $5000 paid for 47 HP is still not a practical ROI of any kind no matter what the constraints are.

Quote:

Originally Posted by ZKindaGuy (Post 129446)

So what's your point? $5000 paid for 47 HP is still not a practical ROI of any kind no matter what the constraints are.

That's about a 20% improvement over the usual stock hp numbers, for about 15%-ish of the price of the car.

If he is happy then its worth whatever he paid for it. He posted his hp numbers, not his portfolio of net worth. Whats worth it for one may not be for all. Thats why you have your car and he has his. I have a 900hp RX7 and don't want to think about the money I have in it, but if I'm happy thats all that matters.

Quote:

Originally Posted by wstar (Post 129625)

That's about a 20% improvement over the usual stock hp numbers, for about 15%-ish of the price of the car.

No its a 15% improvement based on the 47 HP gain he reported...not 20%. Anyway you cut it he overspent for a mere gain compared to the dollars spent. The numbers don't lie, folks. No argument has any standing when the numbers are run other than he overspent and the performance shop got to walk to the bank laughing.

Quote:

Originally Posted by ErnieT (Post 129671)

If he is happy then its worth whatever he paid for

:bs:

And that's precisely the reason why the US is in an economic crunch..people have completly lost their sense of sensibility...just because it makes you feel good is not a good or sensible reason for justifying overpaying for something..especially to the tune of 3.5 time over.

Quote:

Originally Posted by ZKindaGuy (Post 129912)

Wrong. Were in this mess because people took on too much debt and as a country we can not mathematically take on any more. So now credit (debt) must contract with a corresponding drop in GDP and excess capacity must contract leading to mass layoffs.

If he can afford it who gives a rats ***?

Actually, people who can afford it blowing money on "useless" things (as in, not food or shelter) is a win for the economy. It's better for the economy if people with excess income/cash blow it buying parts and services, which prop up jobs and businesses.

And there's really no definition of what's paying too much for car performance. Compared to the average car consumer who isn't really into this stuff, any money spent upgrading the performance of a car is a "waste".

Ok back on track. Nice numbers. Has anyone thats made over 320-330rwhp with mods run the 1/4 mile yet???I know Semtex and RCZ and now Phimosis all are in this range.

I know some may not be into the 1/4 but just curious to see if this car can hit or excede 110mph with those mods. This would almost put it on C5 Z06 level 1/4 mile wise. With some suspension mods with this power it should be very close to the C5 Z06 circuit track numbers imho.