LS2 Head Bolt Holes

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Oct 24, 2008 | 01:45 PM

1fstgot

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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

Oct 24, 2008 | 10:48 PM

JPH

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From: Fort Wayne, IN

Blind.

Oct 28, 2008 | 07:43 PM

BlownVette 2001

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Quote:

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.

Oct 29, 2008 | 04:55 PM

Clevite Kid

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From: Miami, near the U.S.A.

Quote:

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.

Nov 6, 2008 | 07:13 PM

1fstgot

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Quote:

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.

Nov 6, 2008 | 07:19 PM

BlownVette 2001

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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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