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LS2 Head Bolt Holes

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Old 10-24-2008, 01:45 PM
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Default LS2 Head Bolt Holes
Hi all. Installing new heads today. Are the head bolt holes in the block blind or do they go all the way through to the coolant flow through chambers?

Chris
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Old 10-24-2008, 10:48 PM
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Blind.
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Old 10-28-2008, 07:43 PM
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Originally Posted by JPH
Blind.
I agree, make sure you clean out the holes real well and make sure ther is no fluid in them or else you could creat pressure that break the block.
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Old 10-29-2008, 04:55 PM
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Originally Posted by BlownVette 2001
I agree, make sure you clean out the holes real well and make sure ther is no fluid in them or else you could creat pressure that break the block.
Right, and the best way to clean them out is to chase the threads with the correct size tap.
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Old 11-06-2008, 07:13 PM
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Originally Posted by BlownVette 2001
I agree, make sure you clean out the holes real well and make sure ther is no fluid in them or else you could creat pressure that break the block.
Thanks guys. Got it together and so far so good. New dyno #'s are a bit sad but thats another topic.
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Old 11-06-2008, 07:19 PM
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Originally Posted by 1fstgot
Thanks guys. Got it together and so far so good. New dyno #'s are a bit sad but thats another topic.
Dyno #'s aren't everything. Lots of variances between some machines.
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