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Mod | | | Forums66 Topics128,139 Posts1,056,758 Members48,454 | | 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
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| | | | Joined: Jan 2009 Posts: 106 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2009 Posts: 106 | Does anyone know for sure if a 1955 1st series 1/2 ton rear end is any different than a 1955 2nd series 1/2 ton rear end? Thanks.
Stovebolts are good for the heart
| | | | | Joined: Apr 2005 Posts: 2,101 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,101 | That was the year that they went to an open driveline in both series. I can't imagine they made a 1/2 year only set up. It should be a 3:90 ratio or possibly a 4:10 if it had an OD. The 55 1'st series that I have seen look the same as my 56.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
| | | | | Joined: Dec 2004 Posts: 1,897 Shop Shark | | Shop Shark Joined: Dec 2004 Posts: 1,897 | The 2 trucks have different spring configrations, so the spring perches will be in different locations. | | | | | Joined: Jan 2008 Posts: 4,962 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,962 | I haven't found anything to be different in the 3rd members. | | | | | Joined: Jan 2009 Posts: 106 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2009 Posts: 106 | Thanks for the information.
Stovebolts are good for the heart
| | | | | Joined: Apr 2009 Posts: 121 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 121 | so the 3rd member is the same on both rear ends ? | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | I'm almost certain that is correct. | | |
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