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Old 06-02-2004, 12:50 AM
mancinator mancinator is offline
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electric fan or clutch fan??

hey all...i have yet another question...
i am running a 402 bb in a 67 toyota runs at about 200...205 on the highway which i am told isnt terrible...but it isnt that great either....the truck has run hotter and id like to remedy that as it needs to stay cool for when im crawling on the trails.
anywho, it has a 165 t stat in there righ tnow....a 7 blade felxlite fan that is run off the motor and a cross flow 3 core rad that appearntly was made for a 350 (the original bb rad was destroyed somehow before i bought the truck )

anywho, i know i should get a bigger rad...a nice big aluminum 4 core sounds really nice...but its to rich for my blood at the moment...i actualyl got a zirgo "be cool" 16 inch s blade fan today for my birthday (just like this one)
and it says it pulls 3300 cfm...which im assuming is pretty good. what im wondering is, is that comparable to the 7 blade fan i have in there now running off the engine pully? i know at lower speeds the electric fan is the way to go as it will pull air regardless of speed...and it will be set up to run off a tstat so even when the truck is off it will keep going until the engine cools down enough (which is good cause once i shut the truck off the temperature rises at least 10 degrees ) but what i am worried about is will it be able to pull enough air at highway speeds.

the other option was i could put it in as a pusher fan, but i have a feelign it will interfere with the clutch fan...i need your guys expert thoughts....
oh yeah...what should my engine be runnign at...ideally...thats question number three

thanx in advance!!!

now off i go to search
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