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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: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | OOOK guys, correct me if I'm wrong but on the original I thought they did not run a pressurized cap... but I guess it did hold "some pressure".. I'd say no more than 4lb???
On another note and just as a comment......
When I put the 350 in my 37 I had the original radiator rebuilt with a NEW core. BUT I also had the neck cut out and another one put in where I could run a good pressure cap. BUT I also used the ORIGINAL top and bottom tank... Therefore I was afraid to put much pressure on it as the brass tank was thin and I knew it would rip if to much pressure. So, I ran a 7lb. It would spit a little out the overflow but never really had problems unless in a parade or something.
Well, after several years it started leaking right from the tank seal right under the top neck...... Radiator shop wanted so much to redo it I bought a universal Griffin Radiator for half the money and now the problems are gone!
Moral of this long story.... do it once and do it right Like I should have done in the beginning. | | |
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