68 Fury Starting issue- help!

Hello all, I have a 68 Fury III Convert, 383 auto. Motor and trans have a fresh (mild, highway car) rebuild. She fires right up when she is "cold". Never a problem or hesitation. But when she is "warm" the engine will not crank. No clicking and battery is fully charged. All accessories function properly when the key is turned. The starter is not engaging. Only happens after driving her and she will not start again unless she sits for many hours, usually overnight.
Have a fresh battery,...

68 Fury Starting issue- help!
Author: Custom 880