TRE effect on Brock's ZX-14

[NightCrawler]

Has anyone seen the before and after result of Brock's ZX-14 on his dyno? Well here they are.

CLICK ME TO READ ARTICLE.

PS.
Bike is obviously not stock.

Chart 1:
TRE installed with no dyno tune. VERY slight loss in HP but SLIGHTLY over 1 ft.pound of torque gained. Bike also ran very lean at low rpms. I thought it was supposed to run rich ...

<img src=http://www.brockracing.com/images/lowend09.jpg>




Chart 2:
Bike dyno tuned with TRE installed. SLIGHT gain in peak HP but almost 9 in the "regular street riding" department. Almost 2 ft. pounds of torque gained.
<img src=http://www.brockracing.com/images/lowend10.jpg>

I'm no pro at this stuff and am probably reading it incorrectly. Feel free to click the provided link, read the article, and correct me.

I'm only posting this because many people here are interested in seeing a before and after TRE dyno.

I also have a question. Why is the bike running lean before the dyno tune? I always thought installing a TRE would make it run rich in the lower gears.

 

[EtrnlSoldier]

(Spigga @ Oct. 20 2006,21:12) Has anyone seen the before and after result of Brock's ZX-14 on his dyno? Well here they are.

CLICK ME TO READ ARTICLE.

PS.
Bike is obviously not stock.

Chart 1:
TRE installed with no dyno tune. VERY slight loss in HP but SLIGHTLY over 1 ft.pound of torque gained. Bike also ran very lean at low rpms. I thought it was supposed to run rich ...

<img src=http://www.brockracing.com/images/lowend09.jpg>




Chart 2:
Bike dyno tuned with TRE installed. SLIGHT gain in peak HP but almost 9 in the "regular street riding" department. Almost 2 ft. pounds of torque gained.
<img src=http://www.brockracing.com/images/lowend10.jpg>

I'm no pro at this stuff and am probably reading it incorrectly. Feel free to click the provided link, read the article, and correct me.

I'm only posting this because many people here are interested in seeing a before and after TRE dyno.

I also have a question. Why is the bike running lean before the dyno tune? I always thought installing a TRE would make it run rich in the lower gears.

It's running lean because the TRE is causing the outer/secondary butterflies to open earlier, allowing more air intake, and the bike isn't mapped for the increased airflow. Too much air/not enough fuel=lean conditions. Different from a Busa.