Our 69 Yenko Chevelle restoration

[m22mike]

Originally Posted by jer

Rick, I was lost on shaft color codes and then stumbled on a couple sites that spelled out blue/yellow for an L78 shaft with manual (69). Does the COPO use a different u-joint?

I have seen the prop shaft color in box 19 listed on at least 10 or so 69 BAL build sheets as BY, for. L78 and L72, also believe Same shaft was used for all BBC with manual trans. There was nothing different on COPO Cars.
Still trying to confirm for sure, but believe BY is black yellow ?
Color codes were not consistent among Chevelle plants.
If anyone has a 69 BAL BS from ANY car like SBC, that lists a color in box 19, I would like to see if any used BU for blue ? Kind of guessing here.
Thanks for any input for BAL built cars.

Mike