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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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#82955 09/16/2007 5:28 PM | Joined: Mar 2001 Posts: 279 Shop Shark | | Shop Shark Joined: Mar 2001 Posts: 279 | Thanks for the posts guys. I think I have it figured out. That bottom rail must not be an oil galley. Back when I first bought this block, I noticed that the cam shaft was oil starved and took the block in and had it boiled. The oil galleys were clogged bad. I've heard two different stories on that external oil line over the past couple of years. One is that the external line was a standard feature on late 50's-early 60's 235's. The other was that it was likely added because oil wasn't getting to the rockers and rather than fix the problem, the external line was added to pump oil north. | | |
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