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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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| | | | Joined: Jun 2009 Posts: 1,596 'Bolter | | 'Bolter Joined: Jun 2009 Posts: 1,596 | further thoughts to consider: the thermostat determines the minimum temp the system maintains, but a 350 is very unlikely to ever run lower than 180, probably more like 190-195, but that's with a 15 lb pressure cap, which is a bit much for the original rad even if it's in perfect condition ... you need to use at least a 7# cap, and it'd be a good idea to rig an overflow system as well
Bill I know several guys with SBC powered hot rods that run well below 180. | | |
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