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Generation III Internal Engine 1997-2006 LS1 | LS6
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317 cast #?

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Old 01-17-2005, 09:07 PM
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where are this head from. thanks
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Old 01-17-2005, 10:50 PM
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what size engine?
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Old 01-18-2005, 12:14 AM
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Those are aluminum 6.0l heads.

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Old 01-18-2005, 10:10 PM
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will those head work good on a stock bottom end with a mti t1 cam? how about if ported?im just curious.
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Old 01-18-2005, 10:21 PM
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Originally Posted by TA BOY
will those head work good on a stock bottom end with a mti t1 cam? how about if ported?im just curious.
They will work but you will lose lots of compression by switching to them. They have 72cc chambers vs 67cc if you have the 241 heads now.
Good if you are gonna go FI but bad otherwise.
Check out the sticky note at the top of this thread titled "Head Volume CC" for more info.
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Old 01-18-2005, 10:35 PM
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yes exactly like he said ideal for FI cars because they lower your compression down to about 9.5:1-9.6:1......
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