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Author
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Topic: Aluminum head temps
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Kyle
Gearhead Posts: 430
From: Sumner, WA
Registered: Dec 2001
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posted 10-28-2002 12:48 PM
   
What is the max coolant temp a 302 can see before aluminum heads warp?------------------
Kyle Laramore 63 Fairlane: 302, Victor Jr. heads and intake, solid lift cam, super comp headers, MSD 6al and duraspark, 650 DP carb, C4 w/ Hughes converter, man. valve body 66 Mustang coupe: 289, offy intake, Holley 600 vac. sec., long tube headers, 3spd stick
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H8CHEVY
Gearhead Posts: 286
From: Southern Cali
Registered: Jun 2000
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posted 10-28-2002 07:14 PM
Kyle, I believe the hottest you want to run it before shutting down would be somewhere around the 240 mark.. But I could be wrong...------------------
"In the wise words I was once told bye Jiggy"
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V8 Thumper
Gearhead Posts: 4681
From: Phoenix, Arizona
Registered: Dec 2001
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posted 10-28-2002 08:54 PM
Aluminum moves (expands/contracts) a BUNCH  . I'd think the 230-240 range is asking for head gasket failure  ------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, all Blue Oval, no blue bottle... steer it with your right foot http://mustangsandmore.50megs.com/V8Thumper.html
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steve'66
Gearhead Posts: 9533
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 10-29-2002 12:20 AM
Kyle,I'd be more worried about how you cooled the engine after it "boiled over". Definately do not put cold water into the radiator after a boil over, it will distort/warp even a cast iron head. Let an aluminum head'd motor cool naturaly and it'll be fine. BUT, give it enough cooling system and don;t worry about how hot you can run it.  SteveW
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