Mr.Fido Posted July 30, 2018 Report Posted July 30, 2018 Anyone know of a table available that shows speed vs tach reading? Thanks for any suggestions.
studegary Posted July 30, 2018 Report Posted July 30, 2018 41 minutes ago, Mr.Fido said: Anyone know of a table available that shows speed vs tach reading? Thanks for any suggestions. You would also have to enter the rear differential ratio and tire diameter/circumference into the equation to get the desired result (assuming by speed you mean the vehicle's road speed).
schuyler Posted August 7, 2018 Report Posted August 7, 2018 Mr Fido, If you could find someone on the forum that had a Avanti with the same transmission, rear gear ratio, and tire size as you, could he chart the MPH vs the RPM as he drives? He could supply that information to you for lets say an adult beverage?
Devildog Posted August 11, 2018 Report Posted August 11, 2018 Here http://www.crawlpedia.com/calculators.htm you can calculate all you need. However, the tachs are probably only ± 200 RPM at best at 3,000 RPMs GPS is probably best Joe
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