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Old 03-21-2024, 10:50 AM   #7
jweb
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Join Date: Apr 2010
Location: Oregon
Posts: 1,182
Re: GMC LS Swap Radiator question

I have never heard of Turbo Nasty but it looks like they do have a GMC specific radiator.
https://turbonasty.com/1947-1954-gmc...ruck-1950-5183

If you're buying a new radiator, you want GMC specifically. The mounting tab on the sides of the radiator are located very different than a Chevy.

Also the filler neck is correct for your truck.
First pic is GMC
Second is Chevy
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