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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 09-17-2012, 09:16 AM   #71
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Quote:
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cant you tune that out with higher octane? would love to see a medley of maps
Haven't had the need to do that just yet.
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Old 09-17-2012, 03:41 PM   #72
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Out of curiosity, what were the mileage numbers on these before and after dynos and did any of you reset the stock ECU prior to making your stock ECU Pulls?

This is the reason I ask - these dyno pulls are ALL on the same completely stock FR-S, the lowest beign 250 miles w/o reset and the highest being 8000 miles w/ ecu reset. Your stock numbers all look a lot like what my car was back at 250 miles. It has picked up quite a lot through break-in alone, and more through a simple ecu reset.



For additional clarity these runs are back to back with the only difference being an ECU reset that brought the power up to the 178 mark:



My thinking is that to have apples to apples you should always test them all after a reset and at the same mileage. (One would assume that a reflash resets the ECU memory).
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Old 09-17-2012, 03:43 PM   #73
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I'm assuming it was all done on the same day
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Old 09-17-2012, 04:02 PM   #74
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Easy button on resetting the ECU? Disconnect battery or pull a fuse? Or both?
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Old 09-17-2012, 04:47 PM   #75
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Just disconnect the battery for 5 minutes or so.
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Old 09-17-2012, 05:57 PM   #76
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Dyno tests are not the end all be all.


These for example show the opposite of what is being claimed in this thread.

Quote:
Originally Posted by t14abrunson View Post
Run 2(Red) - Stock
Run 12(Blue) - Tune Only (ECUTek)
Run 19(Green) - Tune w/ Catback Exhaust (Perrin)
Run 27(Purple) - Tune w/ Catback Exhaust & Intake (Perrin/Injen)
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Old 09-17-2012, 06:24 PM   #77
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Originally Posted by AJUSA.com View Post
Dyno tests are not the end all be all.


These for example show the opposite of what is being claimed in this thread.
Exactly my point. I'd love to have every ounce of power as possible, but not at the cost of risky AFR.

Out of curiosity...which tune did you guys use for this?
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Old 09-17-2012, 06:32 PM   #78
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The stock dyno was around 1k in mileage. The non stock was dynoed around 6k.

Also I am not claiming anything, I am just merely presenting the data we logged during the dyno runs. Also that is a different car with a different environment, with a different intake, and a different exhaust. Can't compare those apples to apples
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Old 09-17-2012, 07:20 PM   #79
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Quote:
Originally Posted by 2forme View Post
Exactly my point. I'd love to have every ounce of power as possible, but not at the cost of risky AFR.

Out of curiosity...which tune did you guys use for this?

I was just quoting another user in that post. Not sure what tune is being used.
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Old 09-17-2012, 08:02 PM   #80
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Originally Posted by AJUSA.com View Post
I was just quoting another user in that post. Not sure what tune is being used.
I thought it to be odd too, so for good measure, like any test should be, I put this on MY 6MT FRS, STOCK OEM ECU just to see what it did...

Here are the results in 3rd & 4th.





Perhaps the OP's hardware is faulty? But 2 different cars with similar results, one @ 6000 miles while the other @ 5000 miles. Note that the baseline used was done a few days earlier when I tested another intake.

Just posting my findings.

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Old 09-17-2012, 08:07 PM   #81
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Originally Posted by virtual_bob View Post
I thought it to be odd too, so for good measure, like any test should be, I put this on MY 6MT FRS, STOCK OEM ECU just to see what it did...

Here are the results in 3rd & 4th.





Perhaps the OP's hardware is faulty? But 2 different cars with similar results, one @ 6000 miles while the other @ 5000 miles. Note that the baseline used was done a few days earlier when I tested another intake.

Just posting my findings.

Regards,
so you lost 8 peak HP with the AR intake and gained 1-2HP in the middle? to these intakes.
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Old 09-17-2012, 08:09 PM   #82
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I haven't been impressed with the dyno sheet of the AirRaid or Injen intakes, just put the $300 towards the E85 tune
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Old 09-17-2012, 08:24 PM   #83
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Would be interesting to see what the car was dynoing at after putting a 1000 miles on it with the intake once it had time to "get used to". Dyno tests as you can see vary by almost 11HP on stock cars. Regardless, all of the intakes we have tested have increased g's and airflow. If that does anything on a stock car? But with a tune there is an obvious increase in power over the stock intake.
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Old 09-17-2012, 08:44 PM   #84
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Quote:
Originally Posted by AJUSA.com View Post
Would be interesting to see what the car was dynoing at after putting a 1000 miles on it with the intake once it had time to "get used to". Dyno tests as you can see vary by almost 11HP on stock cars. Regardless, all of the intakes we have tested have increased g's and airflow. If that does anything on a stock car? But with a tune there is an obvious increase in power over the stock intake.


Not sure about the OP, but here's my recorded runs from the time I drove the 2 miles to get to my dyno from the dealer's lot to my 1000 mile break in to the recent 5000 mile mark before conducting this series of intake tests... AFRs on the brand new car are richer of course but there wasn't much appreciable difference between the 1000 - 5000 mark, after it "got used to" the driving...

Regards,
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