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Mod | | | Forums66 Topics128,072 Posts1,055,906 Members48,429 | | 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
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: May 2001 Posts: 1,904 'Bolter | | 'Bolter Joined: May 2001 Posts: 1,904 | I have 3 rocker arm assemblies with 3 different numberings
Older 235: 9 0 3 4
Newer 235: 87 88 85 86
1961 261: 7 8 5 6
(The four code numbers are for 1-3-5 exhaust, 2-4-6 exhaust, 2-4-6 intake, 1-3-5 intake, respectively.)
Could it be that they mixed the 7 and 8 from a 261 with a 3 and 4 from an older 235? Is there a difference in their heftiness?
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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