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Re: Radiator question
Quote:
Originally Posted by 425HP409
The problem appears from what you have said is that the fan is too far in the shroud. It must be about half in and half out. By being too far into the shroud, at idle the fan will just cavitate air around in the shroud as opposed to pulling it through the radiator and out the back of the shroud. You also mentioned fan roar, this can be caused by the fan being too far into the radiator causing a cavitation. Since you can't move your fan back, a solution would be to trim the shroud.
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I think his fan roar is also the fan is direct drive always on . I’m leaning more towards the radiator now that he stated the electric fans would come on at highway speeds . That shouldn’t happen the fans can’t pull as much air as the flow at 60mph . Only time I heard electric fans come on at highway speeds is when I’m towing . Don’t cool it at all since the cfm going through the radiator is higher than the fans capacity .
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Mark
72 c20 custom camper Husky edition,
66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark
1969 AMX ,
1968 c20 stepside ,85 K20
1977 Suburban sold
68 anniversary.
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