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Mod | | | Forums66 Topics128,052 Posts1,055,724 Members48,426 | | Most Online14,466
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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For helping keep this great
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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| | | Joined: May 2015 Posts: 11,034 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: 11,034 | I had a tech at PATC tell me that the radiator trans cooler dissipates heat 3X faster than an external cooler. Trans fluid also flows best between 175 and 225. With that said there's no reason not to use the radiator trans cooler. If you're towing or you live somewhere hilly, an external cooler isn't going to hurt anything. An oil-to-coolant cooler is WAY more efficient than an oil-to-air cooler. Just engineering basics says that. You could plumb both coolers in series, which would be a little more insurance that your tranny doesn't overheat.
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. | | |
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