cooling-fans-012.jpg | Hits: 667 | Posted on: 5/16/13
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SD D6TE clutch fan from '79 F-350 uses Hayden #2799 SD fan clutch, still didn't keep my 460 at a temp I liked. Fan clutches fully "engage" at a certain temp, the #2799 might have fully coupled at 200 degrees, IDK.
