Thread: my bbc 454's temp alright????
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hottrodd57 
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08-03-2007 03:59 PM #1
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my bbc 454's temp alright????
when I am idling or driving less then 5 mph( behind people at shows) my temp get to 225, driving it is fine, runs a temp 190. Is 225 too high? if it is alright; I am curious what is the highest save temp a engine can get to & not damage the motor??
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08-03-2007 04:25 PM #2
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225 is high, but not horrible. The second fan in my Vette is programmed at the factory to come in at 225.
What kind of fan and thermostat do you have? Do you have a radiator shroud?
Also, some Redline Water Wetter might help. It contains a surfactant that keeps the coolant from beading off of the inside of the radiator core.Jack
Gone to Texas
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08-03-2007 06:30 PM #3
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As long as it's not losing water it's okay. 250 won't hurt the engine, but there's no margin for error when it's that hot.
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08-03-2007 06:57 PM #4
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I am running a puller fan, zirgo 4000cfm. had no room for a puller. the 454 took up ALL the room in the engine bay. the termostat is a 180, the fan come on at 185. as I said I can't run a puller fan. any other suggestion to do or try
FYI
the car is a 39 chevy coupe. with a 454, walker cobra z radiatior.
thanks forany help.
car runs fine at speed.
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08-03-2007 06:59 PM #5
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one more ?, is ther any high cfm fans than the zirgo 4000 cfm fan
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08-03-2007 07:25 PM #6
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I'm confused. You say you're running a puller fan, but you have no room for a puller fan.
Originally Posted by hottrodd57
Jack
Gone to Texas
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08-04-2007 05:04 AM #7
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should have read what I wrote............ I am running a pusher fan, I know that is not the best, but I only have a 3/4 clearence between the rad. & engine, so I puller was of the question
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08-03-2007 07:03 PM #8
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slow speed is hard to keep a big block cool that slow at car shows .i would like to see the big blocks i have had run it 160 but they run around 210-220 on very hot days and had one that would get to 240 but that was a 14.8 548 cid it just ran hot but i never hurt it was built loose for very hard running .i always look at the oil psi if that was not dropping i would cool it downIrish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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08-04-2007 06:01 AM #9
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You should be safe at 225 but that's getting up there. Do you have vacuum advance? That might help.
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Ditto on the model kits! My best were lost when the Hobby Shop burned under suspicious circumstances....
How did you get hooked on cars?