[crossram]

Does anyone know for sure that if the car (1969 Camaro RS SS) is a factory big block 396 350 hp turbo 400 did it come with a 12 or 10 bolt diff, was the 12 an option with the big block?

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Barry
70 1/2 RS Z-28
69 Z-28 Crossram
69 RS SS 396 Convert
69 RS ProStreet 638 G.M.
70 LS6 Chevelle

 

[VINTAGE CAMARO]

As far as all reference materials, original order materials etc. that were and are available, the "SS" option mandidated the upgraded diff. which would automatically delete the availability of the option. All 396's would have been backed by the 12 bolt diff. leaving optional the gear ratio and the positration. Good luck

 

[Marktat]

As far as I know all 396's came with 12 bolt.