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Hardcore answer. direct injection head swap

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Old Aug 11, 2014 | 01:42 AM
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Default Hardcore answer. direct injection head swap

any nays on these heads going on a 3rd gen block? like a bored out 6.0? if i could get these heads for only $225 a piece with injectors, would these 6.2 liter truck heads be worth the money? and what kind of piston would i need? Just a serious question before i consider giving up on LS3 heads... any one else thought of this before? what are the differences? i know the injectors are in the cylinder.. any oil or coolant roots that are different?
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Old Aug 11, 2014 | 08:19 AM
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Welcome to LS1tech!

We have a Gen V section for questions like this.

LT1 Gen V Head gasket:

LS3 Gen IV head gasket:
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Old Aug 11, 2014 | 08:46 AM
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The short answer is no.
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Old Aug 11, 2014 | 10:36 AM
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theres alot more then just swapping heads theres a mechanical fuel pump driven by the cam, and theres probly 100 other things
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Old Aug 11, 2014 | 01:14 PM
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right.. i thought the mechanical fuel pump was driven from the serpentine. and i was thinking a fuel regulator might help with electric pumps then a mechanical one... custom made intake. sheet metal? just throwing some of that out there. run it with an ls1 harness.. budget friendly engine making 475+
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Old Aug 11, 2014 | 02:19 PM
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While I can certainly appreciate you're wanting to try something new, the fact that you thought the Gen V pump was driven off the front drive belt shows you haven't really studied this new engine very much.

Though the head gaskets look similer, I doubt the Gen V head would cleanly bolt up to a Gen III/IV block.
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