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Generation IV Internal Engine 2005-2014 LS2 | LS3 | LS7 | L92 | LS9

How do I tell what 5.3 this is

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Old 06-21-2019, 03:52 PM
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Default How do I tell what 5.3 this is
Said it came from 08 Tahoe. It is aluminum and has 243 heads.
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Old 06-21-2019, 05:07 PM
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Originally Posted by fastlt1
Said it came from 08 Tahoe. It is aluminum and has 243 heads.
The casting number will tell you.... sound like a L33 to me honestly.
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Old 06-21-2019, 05:23 PM
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If it's an 08 it could very well be an LC9. That year would be a Gen IV. L33's were Gen III.
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Old 06-21-2019, 07:40 PM
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This all I can find
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Old 06-21-2019, 08:13 PM
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Found it. But what does it make it. Lol



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Old 06-21-2019, 09:13 PM
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It's a Gen IV 5.3 aluminum block engine. The LH6, LH8, LH9, and LC9 all use the same block.
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