1/2" drill with a 17/32" bit plus smaller bits for starting holes
Jack car, remove front wheels and front shock absorbers.
Compress spring and remove.
Support lower control arm and brake assembly on a jackstand.
Unbolt control arm bolts from the inside of the engine compartment. For
'64 - 66 years, save alignment shims and remember their original location.
Move the upper control arm, rotor, and spindle to one side. Support brake
Bolt the template to the existing holes.
Mark new holes with a center punch.
Drill new holes. Start with a small bit, 1/4", and work up to 17/32".
Install upper control arms in new holes. For 1964-66, use the alignment
shims in the same original positions. Remove an even thickness, about 1/8" to
1/4", of shims for each position to compensate for the increased positive
Align front suspension to the following specifications:
Caster 2 degrees positive
Camber 0 to 1/2 degree negative for street for racing and open track up to 3 degrees negative camber
Template courtesy of the Shelby American Automobile Club and Mustang
Performance and Handling Guide, 1964-85, by Peter C. Sessler.