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L92 or ls3 heads

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Old 06-22-2013, 06:34 PM
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Default L92 or ls3 heads

Can anybody advise where on the cylinder heads are the stampings for L92 or LS3 and what are the numbers? I could not locate in Sticky -Thanks in advance.
Old 06-22-2013, 07:14 PM
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821's come on the LS3's and have the hollow stem intake valve.
Old 06-22-2013, 07:20 PM
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Plus, when I bought mine maybe a year or so ago, a complete LS3 head was something like $100 cheaper than a bare L92 head...For the same damn thing. The big difference is some are sand cast, some aren't. I can't remember which casting numbers are the sand cast though.
Old 06-22-2013, 07:53 PM
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Jack,

My L92's are cast with a 823.

Mike



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