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Generation III Internal Engine
head casting question

Generation III Internal Engine 1997-2006 LS1 | LS6

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head casting question

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Aug 30, 2013 | 02:31 AM

#1

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From: wellston ohio

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head casting question

i just got a 1999 Z28 today and its all stock with a stall and built tranny,i noticed the head castings are 853's ,didnt 99 ls1's come with 241's? wasnt sure any info would be helpful,the motor is super clean almost looks like a replacement is why im wondering

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Aug 30, 2013 | 02:38 AM

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From: Chillicothe/Lima, Ohio

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I've seen a few 99's with 241's, but I can count them on 2 fingers...that being said, 99.99 percent of 99 ls1's had 853's. 806's were 97-98, 853's we're 99-mid 00 and 241's we're mid 00-04.

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Aug 30, 2013 | 03:41 AM

#3

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From: wellston ohio

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ok thanks,i was getting them confused with 862 heads which i think are off 5.3's

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Aug 30, 2013 | 10:27 PM

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From: Turnin' Wrenches Infractions: 005

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bww is correct.

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