hi, there i have 2 trucks #1 has all metal upgrade with metal tranny case and also has the full locking diff rear locking axle set up #2has the automatic tranny with individually purchased rear locking diffs (i just love the automatic so much speed is really nice).both trucks locking diffs have not been set up to servos yet will be one my first projects but truck 1 the tranny seems to be slipping
so i am gonna try a stock one
but i do have a second spare if you need a gear
