what clutch is on the fan? i'm running the short hayden one on our dart.. hard to get my old fingers in to get the bolts started but it fits... :)
https://www.haydenauto.com/en/products/fan-clutches/fan-clutch-types/low-profile-fan-clutch
i'm also running the flowkooler 1700 with no issues.. 18"fan too..
that alumn pulley is quite a bit thicker them my steel one too i'll bet...
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