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Generation III Internal Engine
bore size and crank for 427?

Generation III Internal Engine 1997-2006 LS1 | LS6

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bore size and crank for 427?

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Apr 14, 2006 | 08:50 AM

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bore size and crank for 427?

whats the bore size on a 6.0 gen III iron block and the crank size to get 427

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Apr 14, 2006 | 09:50 AM

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From: Ft. Myers Fl

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4.125 bore, 4" stroke is the most common way for a 427.

In a 6.0 you will need a 4.125 stroke, if your trying to no sleave a motor.

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