Cylinder Heads

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05-16-2016, 08:26 PM

05black5.3

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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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05-16-2016, 10:52 PM

1994Vmax

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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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05-17-2016, 02:56 PM

05black5.3

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ok just wondering thanks

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05-17-2016, 05:36 PM

Wolftrk99

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799/243 would be direct swap for 706s though...

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