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what compression ratio?

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Old 02-06-2012, 07:04 AM
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Correct me if I am wrong...but do you really want to mill the heads more?

LQ4 stock 0.050 dished pistons
5.3 Cylinder head stock CC 61.15
Stock Head Gaskets 1.33"
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Old 02-06-2012, 01:59 PM
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Originally Posted by TXSZ66AVLANCHE
Correct me if I am wrong...but do you really want to mill the heads more?

LQ4 stock 0.050 dished pistons
5.3 Cylinder head stock CC 61.15
Stock Head Gaskets 1.33"
What gaskets are those???
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Old 02-06-2012, 02:21 PM
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The GM head gasket is 1.33 mm compressed
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Old 02-06-2012, 03:28 PM
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Originally Posted by TXSZ66AVLANCHE
The GM head gasket is 1.33 mm compressed
interesting.... Never heard to them refered to in MM.

Isn't the designation '' after a set of numbers usually inches???
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Old 02-06-2012, 03:34 PM
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Originally Posted by 1FastBrick
interesting.... Never heard to them refered to in MM.

Isn't the designation '' after a set of numbers usually inches???
For the other 99% of the world....yes
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Old 02-06-2012, 08:47 PM
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Originally Posted by 1FastBrick
interesting.... Never heard to them refered to in MM.

Isn't the designation '' after a set of numbers usually inches???
1.33mm is 0.0523622047 inches. I thought Ive always heard the GM gaskets were .051. Must be .052.
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Old 02-07-2012, 07:29 AM
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Originally Posted by 1989k1500
1.33mm is 0.0523622047 inches. I thought Ive always heard the GM gaskets were .051. Must be .052.
this is what i thought as well
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