Topic: Rear end ratios


sarahcecelia    -- 06-27-2017 @ 6:40 AM
  I'm getting differing answers. Question: Does 3:73 mean the wheels turn 3.73 turns to one turn of drive shaft, or drive shaft turns 3.73 turns to 1 turn of drive shaft? I've been told both; which is right?


shogun1940    -- 06-27-2017 @ 6:58 AM
  The drive shaft turn 3.73 to the axle turning once . At3730 engine rpm the axle turns 1000 rpm giving us the mechanical advantage to move a 3000lb car with under a 100lbs. Of torque and horsepower.


sarahcecelia    -- 06-28-2017 @ 6:39 AM
  That's what I believed. A 4:10 rear means the drive shaft turns 41 times to turn the wheels one time. Right?


40cpe    -- 06-28-2017 @ 6:55 AM
  drive shaft turns 4.1 times to turn the wheels one time.


sarahcecelia    -- 06-28-2017 @ 10:54 AM
  Right , that was a typo on my part 4.1 drive shaft turns = 1 wheel turn!


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