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gengle24
    
Did the 12-Bolt rearend come stock with larger coil springs than the 10-bolt on a '67 Impala?
I've got (2) '67 Impalas I'm putting together. One has a 12 bolt and the other a 10 bolt. The 12 bolt has larger springs. Did this come factory or has it been added by a previous owner. Thanks in advance for the help. Gregg
posted: August 18, 2008
 
    
 
  Answers (1)
 
jswashington
    
The GM 12-bolt first debuted in 1965 so it might be original, do you have the original build sheet. I stumbled accross this article with some info and pics regarding the 12-bolt rearend. Dont know if it will be of much help but give it a shot! Good Luck.
www.chevyhiperformance.com/techarticles/0304_9_inch_12_bolt_rearend_comparison/index.html
posted:  August 20, 2008
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