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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: Jun 2017 Posts: 48 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 48 | Hello,
I have a 5.7L/350 carb crate engine and wondering if the old radiator would keep it cool enough. Old radiator is 18" x 22" x 1.75" in size. Fins about 8-10/inch. Plan to put in AC and running a 700r4 tranny. I read some gents get along fine but want some more input so I don't have to redo after I put together. Done enough of that. If the original isn't sufficient, any recommendations with a radiator with trans cooler built in vs. external trans cooler?
Thank you,
Bill | | | | | Joined: Nov 2021 Posts: 1,403 'Bolter | | 'Bolter Joined: Nov 2021 Posts: 1,403 | I did not want to trust the old radiator in my SBC truck conversion so I installed an aluminum radiator that was a "direct" replacement. It has the provisions for the auto transmission cooler but I am not using them (I have a manual). There are a number of sources on E-Bay but hard to say if they are different manufacturers. | | | | | Joined: Jun 2017 Posts: 48 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 48 | Thanks for the feedback WICruiser! I was leaning the same way. I see radiators range from $107 (ebay) and higher. Any issues with the AA3003 radiators or the cheaper ones vs. the 5052 aluminum radiators? | | | | | Joined: Nov 2021 Posts: 1,403 'Bolter | | 'Bolter Joined: Nov 2021 Posts: 1,403 | I do not have insight into the differences (if any) between the aluminum alloys used. | | | | | Joined: May 2015 Posts: 11,150 Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums | | Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums Joined: May 2015 Posts: 11,150 | There would be no significant difference between aluminum alloys as far as thermal performance. Possibly structural, but hopefully the manufacturer has taken that into account in the design.
Kevin 1951 Chevy 3100 work truckFollow this saga in Project JournalPhotos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together. | | | | | Joined: Jun 2017 Posts: 48 'Bolter | | 'Bolter Joined: Jun 2017 Posts: 48 | Thank you fellas for you input!
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