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66 Driveshaft Help Please |
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tomj 
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Joined: Jan/27/2010 Location: earth Status: Offline Points: 7555 |
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 Posted: Apr/08/2020 at 12:02am |
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Isn't the double-joint held at least approximately aligned by the shaft held concentric by the rear spline and the center bearing? Not that there's not compliance at the cardan joint end but it prolly helps.
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1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5 http://www.ramblerLore.com |
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FSJunkie
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Joined: Jan/09/2011 Location: Flagstaff, AZ Status: Offline Points: 4742 |
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Posted: Apr/08/2020 at 2:20am |
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I'm just here to attest that Galvin's single cardan u-joint conversion kit is a good solution that drives very smoothly. It makes you wonder why they ever switched to using the double cardan joint in the first place.
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1955 Packard
1966 Marlin 1972 Wagoneer 1973 Ambassador 1977 Hornet 1982 Concord D/L 1984 Eagle Limited |
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farna
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Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19689 |
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Posted: Apr/08/2020 at 6:24am |
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The CV joint (double cardan in this case) smooths driveline vibrations by having the trans and axle yoke in phase. In practical use it doesn't make a real noticeable difference. The center bearing helps, but there is just enough play in the double caradan center to cause a nasty vibration once the centering mechanism has failed.
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Frank Swygert
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