Interesting discussion on SS427 Facebook page. Seems a guy bought a used SS427 from a new car dealer back in 1975 or so, and it had what appeared to be "Factory rear discs" It appears it may have been a Camaro JL8 rear disc kit, installed on an Impala 12 bolt. This guy feels it was factory due to the appearance and condition of the brakes,and I could see where one could believe that. As a GM Tech in the mid 70's, I worked on a couple of 69 Z-28's that had rear disc, as I remember, nothing really special about them, I'm thinking it could have been possible to put that kit on a 12 bolt Nova,Chevelle,or Impala as an over the counter installation, but who knows. Z-28 and Impala shared the same Rally wheel, right? I cant remember how the e-brake cable assembly was routed and hooked up, that may be an issue,but it's been years since I've looked that option over. Interesting discussion, may want to take a look.
TRQ. Another Chevy Tech here from the 60's till 90's. The rear disc brake was not an option in the Impala. I ordered mine in 1968 from the September factory order sheet and would have ordered the discs if they were available. The 11 inch drums are more than adequate to stop mine. I serviced the new cars also. A performance dealer could have done the work. The E-brake cables may have worked. NICK L72427impalasportcoupe
on 10/6/2020, 12:11 pm