Quote:
Originally Posted by BBQCYCLEWERKES
A driveshaft is balanced for rotating weight after is it welded. Any misbalance in the pulley will cause fatigue and cracking. Also, there will be tension on the pulley from the belt which will cause addt'l metal fatigue if not balanced. A drive shaft is also welded on a fixture and in most cases computer assisted welding equipment used. This is not only to make the welds pretty but used to set the temp more accurately to decrease the metalurgy issues from welding. I can understand your welding the pulley if this was your car as you would then assume the risk, but this is not the case. You are potentially playing with the life of another person here and if failure accures with damages, you cana be held liable. Just looking out for you as I realize you are doing the best you can. I was young in the auto fabrication field years ago and wished I had more people looking out for me and mentoring me back then. Best of luck and I hope the worst case never happens.
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I'm pretty good friends with my driveshaft guy. I asked him if he could balance the pulley on his machine and he said he could. If it was balanced, would you deem it as acceptable. He said he would do it for free, so if this will work let me know.
Thanks