NHRA altitude correction factors
- Sep 13, 2010
- 1 min read
After reviewing the run data collected during the 2010 season, and consulting with the Sportsman Racer Advisory Council as well as the Stock/Super Stock Committee; the NHRA Technical Department has made changes to the altitude correction factors, for 2011. Below is are the revised factors for altitude corrected NHRA member tracks.
NHRA ALTITUDE CORRECTION FACTORS
Stock & Super Stock
Convert to Sea Level
Convert to Altitude
Track Name
Alt
ET
MPH
ET
MPH
DIVISION 4
Amarillo, TX
3700
0.9646
1.0337
1.0367
0.9674
Roswell, NM
3700
0.9646
1.0337
1.0367
0.9674
DIVISION 5
Denver, CO
5800
0.9405
1.0563
1.0633
0.9467
Douglas, WY
4900
0.9508
1.0466
1.0517
0.9555
Grand Junction, CO
4800
0.9520
1.0455
1.0504
0.9565
Great Bend, KS
1900
0.9853
1.0143
1.0149
0.9859
Julesburg, CO
3500
0.9669
1.0315
1.0342
0.9694
Kearney, Neb.
2100
0.9830
1.0165
1.0173
0.9838
Pierre, S.D.
1700
0.9876
1.0122
1.0126
0.9880
Pueblo, CO
4900
0.9508
1.0466
1.0517
0.9555
DIVISION 6
Acton, MT
3700
0.9646
1.0337
1.0367
0.9674
Anaconda, MT
5100
0.9485
1.0488
1.0543
0.9535
Ashcroft, CAN
1700
0.9876
1.0122
1.0126
0.9880
Boise, ID
2700
0.9761
1.0229
1.0245
0.9776
Lewistown, MT
4100
0.9600
1.0380
1.0416
0.9634
Medicine Hat, CAN
2400
0.9796
1.0197
1.0209
0.9807
Prince George, BC
2200
0.9819
1.0175
1.0185
0.9828
Saskatoon, CAN
1600
0.9888
1.0111
1.0114
0.989
Spokane, WA.
2300
0.9807
1.0186
1.0197
0.9817
DIVISION 7
Albuquerque
5400
0.9451
1.052
1.0581
0.9506
Fallon, NV
4000
0.9612
1.0369
1.0404
0.9644
Inyokern, CA
2400
0.9796
1.0197
1.0209
0.9807
Las Vegas, NV
2100
0.9830
1.0165
1.0173
0.9838
Tucson, AZ
3000
0.9727
1.0262
1.0281
0.9745
47511
