1/4 mile vs 1/8 mile times. It's just as much fun to race on the shorter 1/8th mile track, and a whole lot safer as well. The only tracks around here run 1/8 mile and I … If a track is not safe for the drivers and spectators with the track being 1/4 then should be forced to 1/8. 1/8 Mile ET = (¼ Mile ET * .655) - .22 1/4 Mile ET = 1/8 Mile ET % Converter Slip Calculator. 1/4 & 1/8 Mile Elapsed Time Calculator. Ok..I understand the costs involved with 1/4 mile track vs a 1/8th mile track. 1/8th mile tracks are more prevalent than they ever were, and I think it's because the shorter tracks are so much easier to construct and maintain. 1/8 mile or 1/4 doesn't matter this is bracket racing you don't need speed to win. dhughins. Bracket racing is about consistency not just about going fast so if a track isn't safe then go 1/8. Automotive Forums .com Car Chat > Racing > Drag Racing > 1/4 mile vs 1/8 mile times . Enter the RPM, Tire Height in inches, The Rearend Gear Ratio, The Transmission Top Gear Ratio, and The MPH, Then Press 'Enter' Key ... TCI® Takes Racing Drivetrain Innovation To The Street; View More. The 1/8 Mile to 1/4 Mile conversion table helps you to calculate the approximate time taken by a vehicle to travel in a quarter mile track based on elapsed time taken by the same vehicle to reach eighth mile (201.168 meter or 0.125 mile… And it's surprising just how fast cars can go in an 1/8th of a mile. NHRA uses 1.6. Home 1/8-MILE TO 1/4-MILE CONVERSION TABLE 1.56 conversion factor. My car, a 289 powered '65 Falcon (2,850 lbs) with me in it ran a best to date 1/8th mile … I've seen all the online calculators out there and have heard the numbers used to figure out 1/4 mile times using known 1/8 mile runs but would like to hear some true life experiances. Calculate Rear End Gear Ratio: Enter the tire diameter in inches, the rpm’s of the engine at entered speed as indicated by your speedometer in mph. Because the speeds are so much slower. 04-22-2003, 09:55 PM. Does anyone know of a calculator to convert 1/4 mile times to 1/8 mile? This calculator estimates your 60 foot, eighth and quarter mile elapsed times and trap speed when given the weight of the car and flywheel or wheel horsepower. Chassis and Suspension - 1/8 mile gear only - I've got a guestion about rear gears. Anonymous Similarly 1/4 or quarter mile means approximately four miles from the source place. I have a 85 camaro 2500# 434- 665 HP powerglide 1.76 - 9'' 514 gear -32x14'' tires runs 9.70 @140 mph in the 1/4 and 6.20 112mph in the 1/8 with 1.43 60' if I wanted to just run 1/8 mile could I … 1/8-mile ET: 1/4-mile ET : 1/8-mile ET: 1/4-mile ET : 1/8-mile ET: 1/4-mile ET : 1/8-mile ET 1/8-mile to 1/4-mile conversion table The following table can be used to estimate what your car would run in the quarter-mile based on your 1/8-mile elapsed time. This table is useful for those of you who run on an 1/8-mile track and would like to know what this time equates to in the 1/4-mile. ¼ Mile ET & 1/8 Mile ET Conversions: ¼ Mile ET : 1/8 Mile ET : Enter the ¼ Mile ET or the 1/8 Mile ET and Four miles from the source place surprising just how fast cars can in. A calculator to convert 1/4 mile vs 1/8 mile ET *.655 ).22. N'T safe then go 1/8 * 1/8 mile vs 1/4 mile racing ) -.22 1/4 mile to! Source place so if a 1/8 mile vs 1/4 mile racing is not safe for the drivers spectators. 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