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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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| | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | This is a somewhat odd situation, as the codes that come up would not be for a 5 lug axle. The codes you provide from the axle tube break down like this; HA= '67-'69 1/2 ton w/3.73 ratio, 3= month built (May), 16= Date built, W= Warren assembly plant. It could be possible that the shafts have been swapped for 5 lug.
Bill Burmeister
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