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Username Post: Help cool my BBC        (Topic#347587)
toro455 
"4th Year" Silver Supporting Member
Posts: 530
toro455
Loc: Western NY
Reg: 06-15-02
10-12-17 08:19 PM - Post#2710700    
    In response to farm rat

Farm rat,
You mentioned you're using straight water. You do really need a corrosion inhibitor package else you will start to notice your coolant (water) will start to turn red-browm rust color. You may also start to see the radiator filtering out corrosion coming from inside of the block.

There was a point made regarding oil and trans oil coolers. If you add those in front of the radiator (traditional place to mount them) the heat extracted from the oil increases the air temp which then continues through the radiator. If there are other areas you could mount them where they would still get some airflow without raising the radiator incoming air that idea could help. Also increasing the sump capacity (deeper pan) will decrease oil temps.

While discussing a rise in air temp another possible issue with your electric fans, and no shroud, is re-circulation of hot air. It is possible, especially if the area behind the fans does not have much escape path, the air going through the radiator is circling around and coming through multiple times. I've seen air temps increase by 60 degrees F in a situation like that.

Good luck,
Scott



 




SleeperSS 
Senior Member
Posts: 2584

Loc: Spanaway, Wa
Reg: 10-17-04
10-12-17 09:02 PM - Post#2710702    
    In response to farm rat

What kind of vehicle are you working on?

U.S.C.G. "So others may live"

'96 S-10 SS
'02 BlaZeR2





 
farm rat 
Contributor
Posts: 107

Reg: 09-13-16
10-19-17 06:47 AM - Post#2711351    
    In response to SleeperSS

1982 Chevy K10



 
gchemist 
Senior Chevytalk Moderator
Posts: 24537
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
10-22-17 03:45 AM - Post#2711661    
    In response to farm rat

Is the original cat still on it? Heat will build up if it's starting to collapse.

Good truck cooling info: http://www.off-road.com/trucks-4x4/project/pr oject...


'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles


Edited by gchemist on 10-22-17 03:48 AM. Reason for edit: No reason given.

 




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