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Weight Difference?

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Old 05-09-2007, 04:00 AM
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Default Weight Difference?
Is there any difference in weight between a 427 and 454 block??
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Old 05-09-2007, 03:25 PM
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Yes there is, but it wont be in lbs i bet. Same block and heads just different internals, might be different rods and crank between them.
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Old 05-10-2007, 02:54 AM
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In a standard deck big block they have the same block and rods. The 454 has a .240 longer stroke with pistons to account for that.

You might be talking about 1 or 2 lbs. max.
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