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Boring a 5.3 iron block.........How far?

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Old 08-12-2014, 05:44 PM
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Default Boring a 5.3 iron block.........How far?
How far can you safely bore a 5.3 iron block?
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Old 08-12-2014, 07:14 PM
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Most take them out to LS1 sizes... 3.898 - 3.905 347ci on a stock stroke. You could always add a 4" stroke crank and end up at 383ci.
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Old 08-13-2014, 08:00 AM
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Re-sleeve it and go with a 454 or more!

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