I bought a new driveshaft and half shafts through Zip Corvette. They seem to be of high quality, but there are no external balancing weights on them. I don't know who their vendor is and the sales kid is no mechanic. I've never seen a shaft on any type of car that didn't have a weight on it, but I don't work on/pay attention to the new stuff ( meaning anything newer than 40 years old, lol.) I've had several custom drive shafts built for me over the years for drag cars or street rods. My question is: Is the technology now such that shafts can be built true enough that no external weights are required, or did I get shafted?
A google search on this subject was shall we say, "inconclusive." Obviously, I can haul them 60 miles to the nearest drive shaft shop and have them checked, but I would like to learn a little more first. Judging points are a separate issue. Thanks.
Rick

Rick
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