1966 Dodge Dart Convertible disc brake conversions
if it is a DART SPORT (dodge version of the duster '73-76), then everything will swap over.
the A body rear axles are approximately 57" wheel mount face to wheel mount face.
Other easier to find options for rear axles:
Pre '93 ford rangers, ford 7.5" ring gear rear axle are 56.5" wide. should handle up to a mild 318.
'93-10 ford rangers, ford 7.5" and ford 8.8". 58.5" wide, 8.8 will handle a big block.
'91-01 ford explorer. ford 8.8". they are 59.625", but the pumpkin is offset. if you shorten the long (driver's) side and use 2 RH axle shafts, it narrows to 56.75".
if it is a DODGE ASPEN the rear axle will be 3" wider and likely too wide unless you use late model high offset wheels and you will still need '73-up A body upper control arms
if it is a DART SPORT (dodge version of the duster '73-76), then everything will swap over.
the A body rear axles are approximately 57" wheel mount face to wheel mount face.
Other easier to find options for rear axles:
Pre '93 ford rangers, ford 7.5" ring gear rear axle are 56.5" wide. should handle up to a mild 318.
'93-10 ford rangers, ford 7.5" and ford 8.8". 58.5" wide, 8.8 will handle a big block.
'91-01 ford explorer. ford 8.8". they are 59.625", but the pumpkin is offset. if you shorten the long (driver's) side and use 2 RH axle shafts, it narrows to 56.75".