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3RZ cyl head prone to cracking?

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Old 06-29-2008, 06:40 PM   #1
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3RZ cyl head prone to cracking?

Is the 3RZ cyl head prone to cracking? Mine's cracked, and the engine was never overheated.

And, is there an aftermarket 3RZ cyl head? The shop I'm working with says $650 for a bare aftermarket head that's supposed to be better.

Thanks,
Kurt
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Old 06-29-2008, 07:22 PM   #2
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I havent heard of them craking. Maybe once in a while. But I dont think its an epidemic. Check out LCE for parts, or a complete head.
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Old 06-30-2008, 01:13 AM   #3
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Paradise Racing can probably also get you some good parts.

the 3RZ's are not typically prone to problems like this.
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Old 07-02-2008, 11:09 PM   #4
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Japan Engines (japanengine.com) sells a new, complete, aftermarket 3RZ cyl head for $450.

Thanks,
Kurt
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