Question on LQ9/LQ4 Block

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11-17-2010, 10:25 PM

SS125

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Question on LQ9/LQ4 Block

How much can you safely bore a stock LQ9 block out to? How many cubic inches would this be? Thanks for your help.

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11-18-2010, 03:31 AM

usafws6

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4.030 is a popular overbore, i forget what stroke you need but this bore yeilds 408ci with the correct stroke.

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11-18-2010, 03:32 AM

usafws6

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4.030 is a popular overbore, i forget what stroke you need but this bore yeilds 408ci with the correct stroke.

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11-18-2010, 10:43 PM

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4.030" bore and 4" stroke yields a 408

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