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PostPosted: Thu Jan 19, 2012 2:52 pm 
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Joined: Tue Mar 10, 2009 6:40 pm
Posts: 15
Location: Southwest Florida
Anyone know the normal operating temperature ofthe 4FB1 engine (from the mid 80's Chevettes, Pups, etc.)? I have this engine installed as a retrofit in a '77 Fiat Spider, but the electric radiator fan is not turning until after the dash gauge reads approx. 200 degrees. Just wondering if this is normal, or if the fan should be kicking in earlier. What would be considered an excessive temperature for this engine? Any advice is greatly appreciated. Thanks


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PostPosted: Thu Jan 19, 2012 5:06 pm 
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Joined: Fri Sep 30, 2011 10:26 pm
Posts: 495
Location: Far North Minnesota
our big trucks do not turn the fan on until 210 to220 a14 pound cap should let the temp. go to 230 safely running 50% antifreeze
gearbox

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PostPosted: Fri Jan 20, 2012 10:09 am 
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Joined: Tue Mar 10, 2009 6:40 pm
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Location: Southwest Florida
Great, thanks for your help.


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