spacemanspif Posted August 10, 2017 Share Posted August 10, 2017 I've seen many threads on here discussing the need to not over-cool the 5EAT and incorporating a by-pass valve when adding an external trans cooler. Yesterday a NAPA rep stopped by my work and dropped off a flyer and inside was an ad for Hayden's new line trans coolers with a built in by-pass valve. http://www.haydenauto.com/Featured%20Products-Patented%20By%20Pass%20Cooler/Content.aspx Looks pretty promising for a DD application and certainly simplifies the installation. I'm not a fan of the fact that their literature just states "optimum temperature" with no mention of opening and full flow temps. I sent an e-mail asking for more information but have not heard back from them yet. Just thought I'd throw this out here as soon as possible in case some are looking for options and don't want to mess with the added mess of a by-pass valve. If anyone has any connections at Hayden, I'd love to get more info on the functioning temps...something tells me that they won't be responding since my question wasn't the usual "what part for my car". HTH Mike Link to comment Share on other sites More sharing options...
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