Thread: What gear ratio do I have?
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Old 02-27-2004, 01:13 AM   #7
72-396
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Join Date: Nov 2003
Location: tulsa ok
Posts: 55
I have a formula you can use. take your (rpm) x (tire diameter) and devide that # by your (MPH) x (336) and you will have your answer
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1972 K20 custom camper 4x4 LWB 396 700r4
1965 chevy II 420 hp s/b 4 speed
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