08-11-2020, 01:53 PM
(This post was last modified: 08-11-2020, 01:54 PM by Stuart Giles.
Edit Reason: typo
)
I have only welded up the cracked keyways when I've been shortening long halfshafts in order to re-machine them into short ones, I have used both MIG and TIG for filling in the old keyway (otherwise the base of the keyway appears in the new thread) personally, although it's quick and cheap, I wouldn't use a stick welder for this job as the risk of the arc weldment 'chilling' with the resulting machining difficulties is too high.
If you have a lathe and a mill, the cost of doing this job is a nothing but time, and possibly a Woodruff cutter, if you don't already have the right size in stock.
During the 10,000 mile record attempt I did weld broken halfshafts (yes plural) on Chris Gould's car with a stick welder; all spare parts needed to be carried on the car, so replacing them wasn't an option. The welds repeatedly failed until I gave them a preheat with Oxy Acetylene to dull red before arc welding them, and then only allowed a slow cool in dry sand, whereupon these repairs lasted until a piston failure put a premature stop to the attempt.
If you have a lathe and a mill, the cost of doing this job is a nothing but time, and possibly a Woodruff cutter, if you don't already have the right size in stock.
During the 10,000 mile record attempt I did weld broken halfshafts (yes plural) on Chris Gould's car with a stick welder; all spare parts needed to be carried on the car, so replacing them wasn't an option. The welds repeatedly failed until I gave them a preheat with Oxy Acetylene to dull red before arc welding them, and then only allowed a slow cool in dry sand, whereupon these repairs lasted until a piston failure put a premature stop to the attempt.