That looks like a very good fan controller. I am running a stock spec 195deg stat in in my dewitts rad-fan combo/lsx 6.0. in my early Corvette. That doesn't leave a lot of room for on and off. With my current sender the fan hits and stays on 'cuz the sender shuts off at 180. What temp does the stock ecm turn on the fan for a 6.0L? And what temp off? Do I need a controller that turns the fan on @ 200 and off at 196? I really like the 2 stage "on" idea too.
Thanks, Frank
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