Quote:
Originally Posted by Canuckvetter
Thanks for posting that Leon. That's the set-up I am going with on my 67 with P13 SM SPARE WHEEL EQ. as well as A97 SM SPARE WHEEL LOCK EQ. All the research I can find for the spare wheel lock in 67 is a chain with a plastic sleeve and a padlock. I don't know if your set-up was stock in 67 but that's what I'm going with.
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No problem.
Quote:
Originally Posted by SS Tim
Great stuff Leon!
Did some digging and confirmed bolt 3991023 is for 1/2 ton applications being a round head square neck bolt 7/16"-20 x 4".
Callout [4] in the drawing
The/a 3/4-1 ton bolt 3898396 is the same but 1/2"-20 x 8 1/8".
Callout [6] in the drawing
So it would go that Callout [5] is a plain 7/16" lug nut and Callout [7] is a plain 1/2-20" lug nut as notated on the assembly drawing.
Really wish the truck assembly manual had part numbers (any part numbers even long superceded) like my Camaro and Vette manuals do!
Nut 3682846 (yours) is the 1/2 ton specific application for the keyed lock.
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In later years I think the shorter 7/16-20 bolt was superceded by the longer one and just "cut to fit the application" for Blazers and others. My bolt is 6 1/2" long from just under the head to the end of the threads.
I had a few of the 3682846 nuts that were about 1/2" shorter than the one pictured. Unfortunately I didn't take a picture of one before I sold them all. The groove in those was in the center of the nut. EDIT: it would be like the one on the bolt that Canuckvetter posted.....
LockDoc