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13 Posts


i was wondering how valid this is, it was a 1-2nd pull on a really snow covered street. in previous runs with dry roads i made a max of 175 whp using this app doing a 3-4th gear pull. all the times i used this i had it set to measure hp using my car's obd2 and not the gps measurement. i will assume the obd2 can calculate engine hp and not whp but maybe the tcm is relaying that info to the obd2. the setup im using does not allow me to read the tcm. has any one used this app and compared it to a dyno run they have done with their car? i was going to upload the video but coudnt find where it was stored in my phone. i have it set to save to my phone but the only place i found it was in the track record app so i took a screen shot of the video.
NOTE: if this is actually engine hp, lets consider a 15% drive train power loss
218.1 engine hp = 185.4 whp
175 engine hp= 148.75 whp (comparable to stock dyno pulls)
CAR SET UP:
-12 focus sel dct transmission
-spectre blue oiled air filter
-87 octane fuel
-57,942 miles
DEVICES USED FOR MEASURMENT:
-LG NEXUS 5 PHONE
-TORQUE APP w/ TRACK RECORDER
- MINI ELM 327 blue tooth obd2 reader ($10 on ebay)