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| | | Forums66 Topics128,088 Posts1,055,998 Members48,430 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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| | | | Joined: Jul 2005 Posts: 226 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2005 Posts: 226 | sm420 is just like any standard xmission, not a big deal. The one thing thats gonna puzzle you though is when you pull the input shaft, all the little pocket needle bearings will fall out. thats normal. to put it back together if i remember right there are 14 of them? just pack them in the hole with grease and it will go right in... The Input shaft also has a cut on the bottom of it that has to line up just right and cocked a tad to get it out over the countershaft. Otherwise just a transmission, none of the bearings are even pressed that hard...can rebuild it with just standard tools and a small persuader... hehehe.
What it will say on my Tombstone: "Boy, that guy sure owed alotta people Money"
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