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| | | Forums66 Topics128,022 Posts1,055,362 Members48,420 | | 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 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | If it is a 261 from a 59, ditch the rope seal, Best Gasket makes a neoprene lip seal and they work, my 261 rebuilt last summer, couple hundred miles on it been in the garage three months not a drop on the floor. https://bestgasket.com/rear-main-seals/Pricey but will take care of the problem, installed about 4 in the last couple years on 55 and later 235 and 261s. Steve
Last edited by sstock; 01/23/2020 1:47 PM.
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
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