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Steering column inner tube

Sonny

It’s all fun til the rabbit gets the gun.
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I’m converting my ‘70 Belvedere’s column shift collar to floor shift and rebuilding the column as I go. It’s a power steering car with the ignition lock. I’ve got it disassembled- can I discard the inner tube? If not why would I still need it? I’m also going to install the one piece lower manual bearing in place of the “clip in” style that’s between the outer and the inner tube so I don’t need the inner tube for that reason.
 
All columns have the tube, not just column shift columns.
 
All columns have the tube, not just column shift columns.
All columns have the tube, not just column shift columns.
10-4. This is the lower bearing I bought. My column currently doesn’t have one. Does this go in the inner tube or outer? haven’t received it yet.
8D7989C5-7266-46A3-96F4-9B80DFFE6C50.png
 
10-4. This is the lower bearing I bought. My column currently doesn’t have one. Does this go in the inner tube or outer? haven’t received it yet.
View attachment 1043037

that goes in the outer tube and the steering shaft through it. If you have an inner tube it fits in the recess in the back of the outer plastic bearing holder.
 
That bearing goes at the bottom of the large outer tube.

On my '69 that inner tube retains a large spring at the bottom and a collar at the top. And IIRC is what centers the top housings.
 
Pretty sure the columns that didn’t have an inner tube were some of the 70’ up floor shift columns. AFAIK all 69’ and back columns had inner tubes.
 
I’m converting my ‘70 Belvedere’s column shift collar to floor shift and rebuilding the column as I go. It’s a power steering car with the ignition lock. I’ve got it disassembled- can I discard the inner tube? If not why would I still need it? I’m also going to install the one piece lower manual bearing in place of the “clip in” style that’s between the outer and the inner tube so I don’t need the inner tube for that reason.

on a 1970 the inner tube is either for column shift. OR column lockout on floor shift cars

And FYI, the 1970 column is one year only
 
THIS is the lower support for a 1970 column.
The support with the bearing in it is 1968 and 1969.
And for what its worth. ALL 1968-69 columns Ive worked on NONE have the inner tube mentioned

column.support.jpeg
 
'69 B-body 4-speed floor shift ... with inner tube !!!

IMG_0824 (2016_11_22 02_37_15 UTC).JPG IMG_0828 (2016_11_22 02_37_15 UTC).JPG IMG_0829 (2016_11_22 02_37_15 UTC).JPG IMG_0830 (2016_11_22 02_37_15 UTC).JPG IMG_0831 (2016_11_22 02_37_15 UTC).JPG
 
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