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Click on image for the lowdown. 
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| | | Forums66 Topics128,012 Posts1,055,313 Members48,419 | | 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: Nov 2009 Posts: 639 'Bolter | | 'Bolter Joined: Nov 2009 Posts: 639 | Is there a correct heater core height in relation to the inlet/outlet on the water pump? I was thinking about retro-fitting a heater farther up under the dash, but seem to recall reading somewhere that it was necessary to keep the heater core at or lower than the water pump. Maybe to keep air out of the heater core? Any ideas?
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