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Click on image for the lowdown. 
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| | | Forums66 Topics128,012 Posts1,055,317 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!
| | 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: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | the temp in the top of the rad will be the same as the temp near the thermostat, either your gauge or your 'probe' is inaccurate or your thermostat isn't opening .... what rating thermostat do you have? is it airlocked?
use an infrared laser type thermometer on the thermostat housing, the head where the sender probe is, and the lower rad hose
Bill | | |
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