Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB
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Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   BRZ First-Gen (2012+) -- General Topics (https://www.ft86club.com/forums/forumdisplay.php?f=23)
-   -   Cobb Tuning dyno pull (https://www.ft86club.com/forums/showthread.php?t=4761)

uspspro 04-05-2012 05:03 PM
Quote:
Originally Posted by Oriental Life (Post 175572)
This dyno test sucks. Its a RWD car and they mount rear wheels up in the air? :bs:
It was mounted correctly. The drive wheels are supposed to be on top (and slightly to the front) of the roller.

The straps at the rear of the car keep the car on the roller.

Dave-ROR 04-05-2012 05:04 PM
Quote:
Originally Posted by Tainen (Post 175599)
oh good, I wasn't the only one that scratched my head at that comment. whew
Same, I, like you, just decided not to reply lol

uspspro 04-05-2012 05:04 PM
I bet tuning can improve the 3500-4500 torque dip and the torque drop off at high RPM.

NYC BRZ 04-05-2012 05:04 PM
Is anyone else concerned with the 20lbft dip in torque from 3k-4.5k? Why would it do that? Direct injection issues?

tranzformer 04-05-2012 05:05 PM
Quote:
Originally Posted by Dave-ROR (Post 175617)
Same, I, like you, just decided not to reply lol
I ignored as well. Wasn't even sure how to approach that.

uspspro 04-05-2012 05:06 PM
Quote:
Originally Posted by NYC BRZ (Post 175620)
Is anyone else concerned with the 20lbft dip in torque from 3k-4.5k? Why would it do that? Direct injection issues?
either that or variable cam timing issues. Not sure if this engine has a variable acoustic intake, but that would be another culprit.

tranzformer 04-05-2012 05:07 PM
Quote:
Originally Posted by uspspro (Post 175624)
either that or variable cam timing issues.
Quote:
Originally Posted by NYC BRZ (Post 175620)
Is anyone else concerned with the 20lbft dip in torque from 3k-4.5k? Why would it do that? Direct injection issues?

If you want some reading material, there is some good info and speculation in this thread about it.

http://www.ft86club.com/forums/showthread.php?t=3583

dsgerbc 04-05-2012 05:08 PM
Quote:
Originally Posted by uspspro (Post 175618)
I bet tuning can improve the 3500-4500 torque dip and the torque drop off at high RPM.
Good. Cobb is gonna need testers who are certain ;)

S2kphile 04-05-2012 05:12 PM
1 Attachment(s)
For the lazy people:

Jordo! 04-05-2012 05:19 PM
Hmm. Runs pig rich up top.

That 20 wtq drop has got to go. That's just awful.

blu_ 04-05-2012 05:20 PM
Quote:
Originally Posted by Guff (Post 175562)
Damn! I went to the auto show instead of this...
Wrong cobb :P

Allch Chcar 04-05-2012 05:23 PM
Quote:
Originally Posted by uspspro (Post 175618)
I bet tuning can improve the 3500-4500 torque dip and the torque drop off at high RPM.
I believe that it's typical for a Subaru to have that dip. I remember reading about it NASIOC. I don't know why though. Sorry.

Dyno numbers are within acceptable range to the FRS numbers but unlike the rumor they are not more than the FRS. Odd.

86design 04-05-2012 05:25 PM
hey not bad numbers....I also was thinking 170hp...but its all good...:thumbsup:

engee 04-05-2012 05:30 PM
I wonder what Cobb will be able to pull out of this engine by tuning it. Definitely curious to see what results they can yield.

:popcorn:


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