Fast Intentions exhaust and header comparison. Before and after UPRev tune (Dyno)

G37Sam · 03-24-2010, 12:55 PM

F5....

F.I. Inc. · 03-24-2010, 01:05 PM

Quote:

Originally Posted by semtex

Not trying to rain on the parade here, but I have to say that I find the absence of any comment on the impact of these headers on low-end torque and power somewhat conspicuous. What happened on the low end? Please tell me that the gains in the midrange didn't come at a huge expense on the low end. *keeping fingers crossed*

On the contrary, we actually picked up torque and power throughout! At the highest gap for a torque increase it was at 4300 RPM's. We had an increase of 18 FT LBS. A far as power, the highest gap increase was at 4300 as well as 5900 RPM's. That increase was around 15-16 RWH. This is just a tid bit, I promise I will post the dynos soon. As far as the tune, what we were mainly able to do is clean the A/F up which made the car safe. The timing we demanded was kicked back by the ECU and I feel higher octane fuel than our California 91 garbage will help the car perform better!

Daishi · 03-24-2010, 01:07 PM

Quote:

Originally Posted by F.I. Inc.

On the contrary, we actually picked up torque and power throughout! At the highest gap for a torque increase it was at 4300 RPM's. We had an increase of 18 FT LBS. A far as power, the highest gap increase was at 4300 as well as 5900 RPM's. That increase was around 15-16 RWH. This is just a tid bit, I promise I will post the dynos soon. As far as the tune, what we were mainly able to do is clean the A/F up which made the car safe. The timing we demanded was kicked back by the ECU and I feel higher octane fuel than our California 91 garbage will help the car perform better!

These numbers are all stock cats vs the LTH's right? what do you expect for gains for people that have test pipes..

kannibul · 03-24-2010, 01:49 PM

Quote:

Originally Posted by F.I. Inc.

On the contrary, we actually picked up torque and power throughout! At the highest gap for a torque increase it was at 4300 RPM's. We had an increase of 18 FT LBS. A far as power, the highest gap increase was at 4300 as well as 5900 RPM's. That increase was around 15-16 RWH. This is just a tid bit, I promise I will post the dynos soon. As far as the tune, what we were mainly able to do is clean the A/F up which made the car safe. The timing we demanded was kicked back by the ECU and I feel higher octane fuel than our California 91 garbage will help the car perform better!

So, I guess that confirms that timing advance via "tune" still isn't possible - just fuel maps?

Given VVEL, and how it works, it makes sense that they'd not want anyone tweaking timing, you get a valve too far out there where it shouldn't be, and it'll get bent....

LiquidZ · 03-24-2010, 01:53 PM

Quote:

Originally Posted by kannibul

So, I guess that confirms that timing advance via "tune" still isn't possible - just fuel maps?

Given VVEL, and how it works, it makes sense that they'd not want anyone tweaking timing, you get a valve too far out there where it shouldn't be, and it'll get bent....

I think he meant that the timing adjustments they wanted would have stayed if the fuel wasn't trash. If that's true, thats good news for people with access to 93 octane.

semtex · 03-24-2010, 02:08 PM

Quote:

Originally Posted by F.I. Inc.

On the contrary, we actually picked up torque and power throughout! At the highest gap for a torque increase it was at 4300 RPM's. We had an increase of 18 FT LBS. A far as power, the highest gap increase was at 4300 as well as 5900 RPM's. That increase was around 15-16 RWH. This is just a tid bit, I promise I will post the dynos soon. As far as the tune, what we were mainly able to do is clean the A/F up which made the car safe. The timing we demanded was kicked back by the ECU and I feel higher octane fuel than our California 91 garbage will help the car perform better!

Outstanding. Thx for the reassurance, Tony.

Quote:

Originally Posted by LiquidZ

I think he meant that the timing adjustments they wanted would have stayed if the fuel wasn't trash. If that's true, thats good news for people with access to 93 octane.

Higher octane would certainly help, but Tony's experience is consistent with mine. The timing adjustments we made went nowhere, and I put Shell 93 in my car.

LiquidZ · 03-24-2010, 02:11 PM

Semtex, thanks for the clarification.

F.I. Inc. · 03-24-2010, 02:26 PM

Quote:

Originally Posted by Daishi

These numbers are all stock cats vs the LTH's right? what do you expect for gains for people that have test pipes..

No, these numbers are over our high flow cats and CBE!

B1nks · 03-24-2010, 03:51 PM

Quote:

Originally Posted by F.I. Inc.

No, these numbers are over our high flow cats and CBE!

With these no dyno sheet posts you are KILLING ME Smallz !

F.I. Inc. · 03-24-2010, 03:56 PM

Quote:

Originally Posted by B1nks

With these no dyno sheet posts you are KILLING ME Smallz !

Now climb through the fence and get the ball back smallz!!!

B1nks · 03-24-2010, 05:47 PM

Who is supposed to be posting this dyno chart ? If it's Kolya he is getting a -rep for taking so long. If it's Tony he is getting a neutral rep but it's only cause he's busy as FUUUUUUUUUUUUUUUUUUUU

F.I. Inc. · 03-24-2010, 05:54 PM

B1nks · 03-24-2010, 06:06 PM

That's pretty good since it's put up against the HFC..I should have got in on that group buy pricing. Poo.

PS: THE ONLY problem I would have with this setup is still the yearly state inspection I have to go through (next is due 04/11) and I would have to take the LTH off (pay to have someone take them off) and put the stock setup back on. Kinda annoying for me to deal with.

theDreamer · 03-24-2010, 06:09 PM

Quote:

Originally Posted by B1nks

That's pretty good since it's put up against the HFC..I should have got in on that group buy pricing. Poo.

You can always stop by and drool over my set.

F.I. Inc. · 03-24-2010, 06:10 PM

Thanks bro! I will post this dyno chart and the A/F chart in the front of this thread as well. This is just for now to feed you all something...

Thanks, Tony

03-24-2010, 12:55 PM	#91 (permalink)
G37Sam A True Z Fanatic Join Date: Dec 2008 Location: Dubai, UAE Posts: 1,507 Drives: RB'd G37 Rep Power: 20	F5.... __________________ '14 Viper GTS '08 RB'd G37S - Sold

03-24-2010, 02:11 PM	#97 (permalink)
LiquidZ A True Z Fanatic Join Date: Nov 2008 Location: Columbus, OH Posts: 1,940 Drives: Mag. Black 2009 370Z Rep Power: 704	Semtex, thanks for the clarification. __________________

03-24-2010, 05:54 PM	#102 (permalink)
F.I. Inc. The370Z.com Sponsor Join Date: Feb 2009 Location: Simi Valley, CA Posts: 2,989 Drives: 2010 GT-R/2007 F-250 Rep Power: 685	__________________ *Follow us on Facebook: Fast Intentions Inc.* Phone: (805) 522-FAST (3278) Email: tony@fastintentions.com www.fastintentions.com "FUELED BY PASSION"

03-24-2010, 06:06 PM	#103 (permalink)
B1nks Track Member Join Date: Apr 2009 Location: Houston,Tx Posts: 721 Drives: 2009 370Z Base 6MT Rep Power: 507	That's pretty good since it's put up against the HFC..I should have got in on that group buy pricing. Poo. PS: THE ONLY problem I would have with this setup is still the yearly state inspection I have to go through (next is due 04/11) and I would have to take the LTH off (pay to have someone take them off) and put the stock setup back on. Kinda annoying for me to deal with. Last edited by B1nks; 03-24-2010 at 06:09 PM.

03-24-2010, 06:10 PM	#105 (permalink)
F.I. Inc. The370Z.com Sponsor Join Date: Feb 2009 Location: Simi Valley, CA Posts: 2,989 Drives: 2010 GT-R/2007 F-250 Rep Power: 685	Thanks bro! I will post this dyno chart and the A/F chart in the front of this thread as well. This is just for now to feed you all something... Thanks, Tony __________________ *Follow us on Facebook: Fast Intentions Inc.* Phone: (805) 522-FAST (3278) Email: tony@fastintentions.com www.fastintentions.com "FUELED BY PASSION"

03-24-2010, 05:47 PM	#101 (permalink)
B1nks Track Member Join Date: Apr 2009 Location: Houston,Tx Posts: 721 Drives: 2009 370Z Base 6MT Rep Power: 507	Who is supposed to be posting this dyno chart ? If it's Kolya he is getting a -rep for taking so long. If it's Tony he is getting a neutral rep but it's only cause he's busy as FUUUUUUUUUUUUUUUUUUUU

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