CRG Discussion Forum
Camaro Research Group Discussion => Restoration => Topic started by: DomX77D80 on November 19, 2018, 03:05:35 AM
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ello ,i find original drive shaft (propeller shaft) for my 69 Z/28 M21 but i dont have the slip yoke :'(,
what is the GM part number ? or the Length to center of u-joint
Thank you
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The original # was 3950364 then was changed to 3967732 and then was changed to 14075214. Hope this helps!
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The driveshaft used for 1969 Camaro w/Muncie 4-speed was 49.56" C-C on the U-joint trunnions. One of the several service part numbers was 3970521.
The production Z/28 driveshaft remains controversial. They are often seen with the trunnions aligned; for other Muncie applications they are offset as usual. The Assembly Manual does not list a part number. It is possible in production, Z/28s used a driveshaft balanced to a higher rpm.
For the record, 67-68 driveshafts are longer and used different trunnions. They don't interchange with '69s.
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More on driveshafts here.
http://www.camaros.org/driveshaft.shtml
The 69 slip yoke for M21 is not super special.
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I was kind of thinking that other than the 400 turbo they were pretty much the same.
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It is possible in production, Z/28s used a driveshaft balanced to a higher rpm.
They used the same shaft as any 69 with a manual trans or powerglide. Nothing special....