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| | | Forums66 Topics128,014 Posts1,055,328 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: Oct 2001 Posts: 578 'Bolter | | 'Bolter Joined: Oct 2001 Posts: 578 | My old Willys jeep has a temp gauge marked "Murphy Safety Switch" across the top, and "Cold Run Hot" across the bottom.
Ever heard of them?
I'm wondering if it might be from some sort of industrial engine such as an air compressor or welder.
I think it's supposed to shut down the engine if it overheats.
"Happiness equals reality minus expectations" - Tom Magliozzi
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | |
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