4.8/5.3 crankshaft casting number - LS1TECH

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4.8/5.3 crankshaft casting number

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Old 07-15-2012, 11:46 AM   #1
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Default 4.8/5.3 crankshaft casting number

Hi,i buy 5.3 2009 ,and am not sure is 5.3 or4.8, the piston is dish,the heads is 799,the casting number on crank shaft is 12553482 ,thank's
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Old 07-15-2012, 12:09 PM   #2
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crankshaft part # 12553482
are you sure its out of a 09??
all gen IV engines have flat top pistons.
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Old 07-15-2012, 12:11 PM   #3
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yes is 09 or 2010 gen IV
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Old 07-15-2012, 12:31 PM   #4
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and the block is VVT.
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Old 07-15-2012, 02:24 PM   #5
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That casting number is a 4.8.
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Old 07-16-2012, 10:18 PM   #6
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I thought the 4.8's had flat tops?
799 heads? Is the engine aluminum or iron?
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