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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!
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| | | | Joined: Mar 2006 Posts: 23 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 23 | I've always wondered about the radiator in my ole 45 2-ton. The overflow tube is at the top of the tank and not on the fill opening. I wonder about the cap size, and have been running a 0 pressure type. The original radiator was a honeycomb type, but got "fixed" so much that I had the cooling tubes replaced. It cools fine. Just wondered what other folks know about these things. Can I use a pressure cap on it?(4lbs)
KEEP ON TRUCKIN,MAMA... TRUCKIN TILL THE BREAK OF DAY... I SAID,KEEP ON TRUCKIN,MAMA... TRUCKIN MY BLUES AWAY...
| | | | | 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 | | | | | Joined: Mar 2006 Posts: 23 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 23 | Thanks Bill,
I talked to a rad. guy and he said the same thing. So will keep on truckin, the same ole way, keep my eye on the guage.
KEEP ON TRUCKIN,MAMA... TRUCKIN TILL THE BREAK OF DAY... I SAID,KEEP ON TRUCKIN,MAMA... TRUCKIN MY BLUES AWAY...
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