Generation III Internal Engine 1997-2006 LS1 | LS6
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help on heads

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Old 10-08-2007, 10:49 AM
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Default help on heads

Have stock 99 LS1 changing to LS6 intake. thought about changing cam also. are there any heads that would fit here with out spending alot and make a difference.(like ZO6 heads, etc)
Old 10-08-2007, 11:46 AM
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any head is an improvement over stock. even just milling stock heads will boost power.

but to really anwer your question we kindda need to know what kind of cam you plan on.

something small like the 224 or something big like the magic sticks?

there are heads out there for $1000-1400 that will boost you 30-50hp if you have a decent cam.

but just swapping to ls6 heads will probably only get you 10-15hp...they really are not that much of an improvement...particularly for the cost and hassle of a head swap.
Old 10-08-2007, 07:25 PM
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You can pick up a set of 243's used for around $500. Many of them have had spring upgrades already. It's worth it IMO.
Old 10-08-2007, 10:16 PM
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TSP has some nice heads that are affordable.

Check them out------->>




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