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Click on image for the lowdown. 
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| | | Forums66 Topics128,125 Posts1,056,338 Members48,440 | | 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: Oct 2000 Posts: 244 'Bolter | | 'Bolter Joined: Oct 2000 Posts: 244 | I have a 1953 GMC with a round circulating type heater is there an inlet and outlet on the two tubes? When the heater is installed one tube is above the other. | | |
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