56 Rear End Original Gear Ratio

if it has a removable panel on the backside, it is probably original. The gear ratio for the automatic is 3:31. Yes, you can replace the pinion seal without removing the pinion from the car. You need to take off the pinion yoke and then remove the seal.
 

biddle

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Staff member
Your subject ”56 Rear End" has beed changed to "56 Rear End Original Gear Ratio" to summarize your post.

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