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Click on image for the lowdown. 
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| | | Forums66 Topics128,168 Posts1,057,025 Members48,458 | | 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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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: May 2005 Posts: 281 'Bolter | | 'Bolter Joined: May 2005 Posts: 281 | Although the assembly manual is sold as for 55-59 trucks, it does not cover the things that are different as the truck design changed over that period. My assembly manual is at least 25 years old but I don't think the manual was revised over the years. Sheet 25 section 2 in my book has a detail drawing of the 3200 frame for the shorter bed you desire. Note there are four 7/16" diameter holes dimensioned along the rear portion of each frame rail. Those are the bed to frame mounting points for that shorter bed and you will likely find holes in your 58 frame match those points except for the rear mounting points. Simply cut your frame to the length dimension shown and drill the appropriate 7/16 holes at the rear and you should be good to go.
Mark | | |
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