Installing B&M Hammer Shifter...What length cable to order?

[Dstoltenberg]

Will be installing a B&M Hammer shifter on the floor to replace the column shift on my 83 Regal Next week, What length of shifter cable should I order?
For a 350/Th350 trans

 

[Dstoltenberg]

???

 

[87buickracer]

Will be installing a B&M Hammer shifter on the floor to replace the column shift on my 83 Regal Next week, What length of shifter cable should I order?
For a 350/Th350 trans

3ft on my 400 tranny,probably the same for 350 tranny..