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Iron 2.9 heads?

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Old Jan 26, 2004 | 05:59 PM
  #1  
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From: Western MD
Iron 2.9 heads?

Just wondering if anyone actually makes them. Since the 2.9 heads seem to be a favorite for cracking I thought possibly someone had come up with a fix for these.
 
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Old Jan 26, 2004 | 06:07 PM
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Havent had this bronco 2 very long so I just thought of something. Maybe the heads are made of iron. Thought they were aluminum. Either way what is the cause of the heads cracking so much. Is it possibly caused from a cooling system that is not adequet?
 
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Old Jan 26, 2004 | 07:33 PM
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World Products heads. They are made for this main reason.
Check it out:
http://www.worldcastings.com/2003catalog.shtml
 
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Old Jan 28, 2004 | 11:53 AM
  #4  
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far as i know the heads on a 2.9 or a cast aluminum .. not a true aluminum .. and the world heads that wolffpax said about are worth the money .. alot of people knock the 2.9 for various reasons but the heads are a major downfall .. if you ever worked a set of stock 2.9 heads youll tend to find out theyll crack faster ..i found out the hard way .. sosave some pennies up get a set of good ones
 
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Old Jan 28, 2004 | 01:14 PM
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Stock 2.9 heads are cast iron.
 
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Old Jan 28, 2004 | 06:06 PM
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World Casting heads

Been running WC heads since 98 and 45K miles with no problems.
 
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Old Jan 28, 2004 | 10:30 PM
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What actually makes these heads better? Are they made of some different kind of material? There has to be a reason these heads crack alot I am just wondering what the cause is.
 
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Old Jan 29, 2004 | 07:22 AM
  #8  
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head diff

According to the company they redesigned & strenthened the thin areas prone to cracking. I compared my old heads with new ones & you could see more metal in places prone to cracking, also they weighed more.
 
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