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-   -   big Blockne (https://www.corvetteforums.com/forum/new-member-area-5/big-blockne-2925/)

74bigblock 09-01-2006 08:06 PM

big Blockne
 
So I am new the this forum, but i wanted to know if anyone here has ever had a problem with over heating a big block. I have a 74 454 big block that i can't seem to keep the engine cool. any ideas on what i can do?

C3 Starship 09-01-2006 08:17 PM

RE: big Blockne
 
Welcome To CF.
What have you tried so far?
Is this a recent development?
1. thermostat, what temp?
2. hoses
3. waterpump, any leakage?
4. radiator, may need flushing, restricted air flow?
5. does system maintain water level?

Give me some answers, and I'll try to give you some.

corvette king 09-01-2006 09:32 PM

RE: big Blockne
 
what is done to the enging with mods,what kind of radiator you got,waterpump, what kind of antifreeze you running,what thermostat is in the engine, ...oh ya welcome to the forum, i love big blocks.:D:D:D:D

[IMG]local://upfiles/1664/8A799B0B537945A4A4FD8CC30AF1B2C1.jpg[/IMG]

tinyssnowplows 09-01-2006 10:25 PM

RE: big Blockne
 
DO YOU HAVE THE AIR DAM UNDER THE RADIATOR? THE RADIATOR GETS COOL AIR FROM THERE,NOT THTOUGH THE GRILL.

mech259 09-01-2006 11:30 PM

RE: big Blockne
 
Actually, what the air dam does is create a vacuum, much in the same manner an airplane creates lift. The dam diverts air downward and the resulting downward flow creates a vacuum directly behind the dam. A vacuum results in air behind the radiator to be pulled towards the vacuum, hence a better cooling effort. [8D]

mech259 09-01-2006 11:31 PM

RE: big Blockne
 
OBTW, welcome to the forums. :D

C3 Starship 09-02-2006 02:07 AM

RE: big Blockne
 


ORIGINAL: mech259

Actually, what the air dam does is create a vacuum, much in the same manner an airplane creates lift. The dam diverts air downward and the resulting downward flow creates a vacuum directly behind the dam. A vacuum results in air behind the radiator to be pulled towards the vacuum, hence a better cooling effort. [8D]
Really? I never thought of it that way, makes sence though!!![sm=interesting.gif]

corvette king 09-02-2006 03:00 AM

RE: big Blockne
 

ORIGINAL: mech259

Actually, what the air dam does is create a vacuum, much in the same manner an airplane creates lift. The dam diverts air downward and the resulting downward flow creates a vacuum directly behind the dam. A vacuum results in air behind the radiator to be pulled towards the vacuum, hence a better cooling effort. [8D]
no sh*t i never new that,thanks for thet great info makes sence.:D

TopSpeed 09-06-2006 01:44 PM

RE: big Blockne
 
Welcome to the forums!! Wicked wicked car you've got there, my friend.

Man, I never knew about that vacuum thing either... this forum is more informative than a encyclopedia!!!! :D


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