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Click on image for the lowdown. 
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| | | Forums66 Topics128,050 Posts1,055,683 Members48,426 | | 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: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | rads were 0 pressure into the 50's, 4# would be possible with a well rebuilt rad, but you'd have to move the overflow into the neck or it'll never build any pressure - OTOH, the advantage of the pressurizing is to raise the boiling point and it shouldn't ever run hot enough to require that if all is well
Bill | | |
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