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Click on image for the lowdown. 
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| | | Forums66 Topics128,048 Posts1,055,540 Members48,425 | | 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!
| | THANKS!
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: Dec 2006 Posts: 1,464 Shop Shark | | Shop Shark Joined: Dec 2006 Posts: 1,464 | Only the later 235 blocks (I think around '58 or so) were ALL drilled for hydraulics. Before that only the powerglide equipped blocks were. If you have an earlier block that came with solid lifters, hydraulics won't work. | | |
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