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Old 04-08-2024, 11:40 AM   #10
RichardJ
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Join Date: Apr 2010
Location: So Cal
Posts: 1,413
Re: Please recommend a replacement radiator - 69 c10 i6 250

Quote:
Originally Posted by Yamariv View Post
It just so happens that I replaced my L6 radiator with a 3 core stock radiator as I'm putting in a 350 shortly.

Op, it's SUPER EASY!! Find yourself a stock 3 core and all you have to do is move the upper and lower rad supports on the passenger side over. The bolt holes are all there and predrilled/threaded, it's like Lego. No mods AT ALL!
Super easy if the radiator end tanks are the same thickness. If you have to replace the rubber pads with the longer rubber, then the longer lower retainers are easy to replace. I had to bend a lip on the core support to fit the lower retainers. I got the lower retainers from a wrecked truck, but cut my upper retainers and welded in a short extension.

Additional info in this very similar thread.
https://67-72chevytrucks.com/vboard/...83#post9296583
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'67 GMC 2500, 292, 4spd, AC
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