Driveshaft length on a E-body?

Does anyone have the Factory driveshaft length for my 1971 Cuda on the top of their head?? Im going to have a shaft made, and I know mine isnt correct.
My car is a small block, 727 with a 8-3/4.

Thanks

45.6"

Here is a chart you can use..

http://www.autohobbydigest.com/tables.php?17_driveshafts_slip_yoke

From the 70-71 Factory Parts Book.
8 1/4" and 8 3/4" Axle