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Cylinder Heads

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Old May 16, 2016 | 08:26 PM
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05black5.3
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Default Cylinder Heads
I was wondering if 823 casting is a even swap fuel rail intake etc. wise with a 706 casting wise?
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Old May 16, 2016 | 10:52 PM
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Not on a 5.3 block they aren't if your name and whatnot is an indication of what you want them on. You need at least a 4" bore for the rectangular port heads.
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Old May 17, 2016 | 02:56 PM
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ok just wondering thanks
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Old May 17, 2016 | 05:36 PM
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799/243 would be direct swap for 706s though...
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