What would I do differently on a retry?
Documented on the Driveshaft build failure but heres how I tried to build
Published June 15, 2026
The creator recommends more rigorous measurement and machining for concentricity, professional dynamic balancing, choosing appropriate tube material and wall thickness, improving welding technique or outsourcing welds, and double-checking driveline angles.
Documented In This Build
Related Knowledge
What caused the driveshaft build to fail?Can I reuse stock U-joints and flanges from another shaft?What welding precautions are important?What torque should I use on the driveshaft flange bolts?Can I use an F100 driveshaft in my '65 Mustang?What size U-joints do I need?How do I determine the correct driveshaft length?Do I need new U-joints when installing an aluminum driveshaft?
Related Parts
Fasteners (flange bolts, nuts, lock washers)
$15
Driveshaft tube (steel)
$120
Slip yoke / tailshaft yoke
$60
Universal joints (U-joints, set of 2)
$40
Flange / output yoke
$50
Center/carrier bearing (if 2-piece)
$45
Balancing weights / adhesive weights
$30
Related Tools
Torque wrench
MIG/TIG Welder
Drill press
Angle grinder / cutoff wheel
Lathe
Dynamic driveshaft balancing machine (or shop balancing service)
Calipers / tape measure / protractor
Press or arbor press
