You can bet any electric fan they install won't be as powerful as the 6-8 hp worth of air movement by the mechanical one. If you are pulling a steep grade at 75mph in 100+ weather with the air on and a full load of party folk, the difference might be between making your destination unscathed - or a detour on the back of a tow-truck to the service bay.
Steve
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'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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