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Click on image for the lowdown. 
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| | | Forums66 Topics128,127 Posts1,056,674 Members48,450 | | 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: Oct 2009 Posts: 426 Shop Shark | | Shop Shark Joined: Oct 2009 Posts: 426 | Its probably the Ranco heater control valve which is bolted to the heater core. They have not been reproduced. I had the same issue with my 63 about 6 months ago. There is only 1 guy I know of that rebuilds them....Ill find the address. | | |
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