Quote:
Originally Posted by Gecko
Third dyno run complete:
TRD Cold Air Intake, Borla Touring Exhaust, URD MAF Calibrator
48F
50% humidity
93 octane
Smoothed results (all runs averaged together):
Max Horsepower: 211.1hp @ 5,300 RPM
Max Torque: 238.4 lb-ft @ 4,150 RPM
Compared to stock, that is:
+ 19.8 hp
+ 20.5 lb-ft of torque
Compared to just the TRD Intake and Borla Touring Exhaust, that is:
+1.5 hp
+ 1 lb-ft of torque
NOTES YOU NEED TO READ:
1) Remember that these numbers are smoothed/averaged. There was one run that was as high as 215hp and 242 lb-ft, but most were 210-212hp and 237-239 lb-ft.
2) Take a look at the temps. They make a difference. The day I did my first run, it was 77F and 70% humidity. The day I did this run was also the same run that I did with the TRD Intake and Borla Exhaust: 48F and 50% humidity. I asked the tech who helped me how much of a difference he thought the temps made, and his assumption was 30-40% boost.
If you factor that in, the real increase in performance with the TRD intake and URD MAF Calibrator (assuming a 35% boost due to temps) would be:
+ 12.87 hp
+ 13.3 lb-ft of torque
So you'd have roughly 204 hp and 231 lb-ft of torque if the temps were the same on my third run.
3) After doing the second run with the TRD Intake and Borla exhaust, I disconnected the battery, installed the URD MAF Calibrator, drained any residual charge left in the system, let it sit for 20 minutes, reconnected the battery, did a few "warm up runs" and then did a few final runs.
Video - I'll post the chart in my next post:
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Cool to see the different curves together and the nice power bump from the intake and exhaust.
So, if I understand you correctly, did the shop perform all the dyno runs without a correction factor (for temperature and humidity differences), like the SAE or some other standard? That would save you from having to guess at a percentage (35%) adjustment.