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Who makes 65cc or larger lt1 head

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Old 01-21-2010, 04:46 PM
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Who makes 65cc or larger lt1 head
I'm looking for a set of heads that have a larger then 65cc combustion chamber.
Who makes them. 75cc would be perfect.

thanks in advance
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Old 01-21-2010, 04:59 PM
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Why do you need such a big CC?
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Old 01-21-2010, 05:05 PM
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larger then 65cc lt1 heads
I need to lower my compression ratio from 11.0 to 9.5 or lower. I'd rather replace my stock ported heads then do the bottom end again.
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Old 01-21-2010, 05:14 PM
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Static compression is only a build figure and has no impact on overall engine performance. Depending on what type of cam you plan on running you may not need such a big CC'd head to get the desired dynamic compression ratio.

Can you provide a little more info on your build? I'm assuming you're going to be going FI?
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Old 01-21-2010, 05:16 PM
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Trick Flow carries a 62cc..... Thats the biggest I know of; off the shelf...
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Old 01-21-2010, 05:20 PM
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AFR makes a 65cc
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Old 01-22-2010, 08:23 AM
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AFR makes a 64cc and 76cc I believe.
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Old 01-22-2010, 08:59 AM
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AFR 76cc chamber LT1 and LT4 heads.

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Old 01-22-2010, 05:46 PM
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I spoke with them about that. They have not made a LT1 head larger then 65cc since 2005. It says 65-75cc on there site but that is not correct.
Last edited by stephenpen; 01-22-2010 at 07:15 PM.
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Old 01-22-2010, 06:56 PM
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Mine are old!

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Old 01-22-2010, 07:18 PM
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What heads do you have.
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