Figure you need about 10' to be able to comfortably work under a normal car. Measure how tall your car is and add how tall you are. That would put the tip of your head under the tire. I have found that is too high to reach everything so you will probably have it 6" lower.
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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