Generation III Internal Engine 1997-2006 LS1 | LS6

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6.0 block...

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Old

Sep 10, 2009 | 11:22 AM

#1

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On The Tree

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From: Fort Worth, TX

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6.0 block...

how much can you safely bore over a 6.0 iron block?

Old

Sep 10, 2009 | 12:19 PM

#2

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From: Houston,TX

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its a wise idea to have inspected by machine shop before boring.
im at 4.060 no probs.

Old

Sep 10, 2009 | 01:15 PM

#3

MasterMindMotorsport

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From: S. Michigan

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I wouldnt go any further than 4.060, consult your engine machinist

Old

Sep 10, 2009 | 01:22 PM

#4

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I've heard that not all blocks will go to 4.06... have it checked out first.

Old

Sep 10, 2009 | 03:02 PM

#5

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From: Fort Worth, TX

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oh i know about having it checked first... just wasnt sure how much i could bore it over and still be in the safe zone with a good block... thanks for the responses guys..

Old

Sep 10, 2009 | 03:52 PM

#6

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4.030 is a safe zone

Old

Sep 10, 2009 | 06:28 PM

#7

Ph.D. in HUBRIS

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I havn't herd of anyone going more than .060 over. Obviously 30 over is safer but plenty of people are running 60 over.

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Old

Sep 10, 2009 | 07:13 PM

#8

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From: Southern Indiana

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Im pretty sure i remember seeing a thread where a guy took one to .090... but he had to try a couple different blocks before he found one that would go that far.

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Old

Sep 11, 2009 | 07:38 AM

#9

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I'm at 4.07" on mine with the water jackets half filled.

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