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Supporting Vendors / Dealers - Supporting Membership - Advertising Information
Drag Racing Correction Factors
The following drag racing correction factors come from the National Hot
Rod Association. To convert your Quarter Mile Elapsed Time (ET) and MPH
to sea level times, multiply the applicable factor by your ET or MPH.
| Altitude above Sea Level (in feet) |
Elapsed Time Factor |
MPH Factor |
| 1200 |
.9874 |
1.0129 |
| 1300 |
.9861 |
1.0143 |
| 1400 |
.9848 |
1.0157 |
| 1500 |
.9835 |
1.0171 |
| 1600 |
.9822 |
1.0185 |
| 1700 |
.9809 |
1.0199 |
| 1800 |
.9796 |
1.0213 |
| 1900 |
.9783 |
1.0227 |
| 2000 |
.9770 |
1.0241 |
| 2100 |
.9757 |
1.0255 |
| 2200 |
.9744 |
1.0269 |
| 2300 |
.9731 |
1.0283 |
| 2400 |
.9718 |
1.0297 |
| 2500 |
.9705 |
1.0311 |
| 2600 |
.9692 |
1.0325 |
| 2700 |
.9679 |
1.0339 |
| 2800 |
.9666 |
1.0353 |
| 2900 |
.9653 |
1.0367 |
| 3000 |
.9640 |
1.0381 |
| 3100 |
.9627 |
1.0395 |
| 3200 |
.9614 |
1.0409 |
| 3300 |
.9601 |
1.0423 |
| 3400 |
.9588 |
1.0437 |
| 3500 |
.9575 |
1.0451 |
| 3600 |
.9562 |
1.0465 |
| 3700 |
.9549 |
1.0479 |
| 3800 |
.9536 |
1.0493 |
| 3900 |
.9523 |
1.0507 |
| 4000 |
.9510 |
1.0521 |
| 4100 |
.9497 |
1.0535 |
| 4200 |
.9484 |
1.0549 |
| 4300 |
.9471 |
1.0563 |
| 4400 |
.9458 |
1.0577 |
| 4500 |
.9445 |
1.0591 |
| 4600 |
.9432 |
1.0605 |
| 4700 |
.9419 |
1.0619 |
| 4800 |
.9406 |
1.0633 |
| 4900 |
.9393 |
1.0647 |
| 5000 |
.9380 |
1.0661 |
| 5100 |
.9367 |
1.0675 |
| 5200 |
.9354 |
1.0689 |
| 5300 |
.9341 |
1.0703 |
| 5400 |
.9328 |
1.0717 |
| 5500 |
.9315 |
1.0731 |
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