Head ???
#1
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Head ???
Dumb question here but are all the LS heads the same diamentions on the outside? I havea ls1 block and need some heads for mock up purposes. The
ls1 heads are cheap but i am going to be running a LSX block with LS7 heads and just want to be sure all the outside specs are the same!
ls1 heads are cheap but i am going to be running a LSX block with LS7 heads and just want to be sure all the outside specs are the same!
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I know all the ports and valves sizes are different just did not know if the physical size is different so i dont mock something up with say a LS1 head and use a LS7 head that a different size.
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The ports are different and thus the bolt pattern is different enough to prevent a ls1/2/3/6 intake from fitting. The heads are a little taller if sitting on the deck.
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From what I read all the heads are the same bolt pattern even the 6bolt but the valve sizing and port type dictate the bore and intake needed. I have not seen the stock LS7 heads are thicker but this is why I'm asking! I know the aftermarket heads are thicker but don't know if that affects the overall height.