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Expert
Posts: 1267
  
Location: San Antonio TX | So I've been thinking about swapping out the rear end in my 61 Windsor for something geared differently to bring down the RPM's a bit at freeway speed. Today my rear end suddenly had some sort of catastrophic failure (burning smell, smoking out the passenger wheel, grinding, pulling to one side, squealing) so I figure now is the time to start looking for one. Any suggestions? Preferably something that hooks right up to the stock drive shaft without modification. If I can't come up with something, I'll probably just do a direct replacement with an identical unit. |
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Expert
Posts: 1740
Location: Alaska | Try to find a complete rear out of a 65-67 Chrysler, these will fit with slight modification and may came with 2.94 ratio for easy cruising. The rear out of a big Dodge or Plymouth (880, Fury) 65-67 would be the same. |
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Expert 5K+
Posts: 9654
 
Location: So. Cal | Also an E-body Cuda or Challenger is almost the same. May just require an angled shim under the mount to adjust the pinion angle a bit. If you are going to run drum brakes, be sure to get a set of 11" brakes as these cars are quite big and could use the extra braking in the back end. You can get them separately if you don't come across a rear with them already installed. |
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Expert
Posts: 1267
Location: San Antonio TX | 58coupe - 2016-06-26 9:55 AM
Try to find a complete rear out of a 65-67 Chrysler, these will fit with slight modification and may came with 2.94 ratio for easy cruising. The rear out of a big Dodge or Plymouth (880, Fury) 65-67 would be the same.
What exactly is the slight modification that that needs to be made in order to make it fit?
Powerflite - 2016-06-26 10:19
Also an E-body Cuda or Challenger is almost the same. May just require an angled shim under the mount to adjust the pinion angle a bit. If you are going to run drum brakes, be sure to get a set of 11" brakes as these cars are quite big and could use the extra braking in the back end. You can get them separately if you don't come across a rear with them already installed.
Will I need to modify my brake system in any way to make the bigger drums work? Or will my master cylinder and booster work just fine with the 11" drums?
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Expert
Posts: 3776
Location: NorCal |
The '65-'69 C-body (Chrysler, Polara, Fury) rear ends are a virtual drop-in. There is a 1/2" difference in the spring pad width so a purist might want to move the spring perch pads but, in reality, they will work as is. The later rear end is 5/8" wider overall but that rarely causes any problem.
Since 11" rear brakes were used on the FL cars there aren't any changes needed to the hydraulic system. |
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Extreme Veteran
Posts: 480
Location: The Great Northwest | PM Sent |
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Rear end swap
