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799/243 heads

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Old 02-10-2011, 07:17 PM
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Default 799/243 heads

what year 5.3 did the 799 heads come on?
Old 02-10-2011, 08:13 PM
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2004 is when they showed up on 5.3 motors. Usually 05 model vehicles
Old 02-10-2011, 09:55 PM
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They showed up on some 5.3's in 05 - the l33 ally block. 4.8/5.3's got the 799/243's in 07.
Old 02-10-2011, 10:03 PM
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I got mine off a 2007 Tahoe,LM7.




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