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5.3 crank into ls1?????

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Old 11-10-2013, 08:50 PM
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Default 5.3 crank into ls1?????
Can I put a 5.3 crank into an ls1 without any issues?
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Old 11-10-2013, 10:35 PM
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Balance will be off.
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Old 11-11-2013, 07:19 PM
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Not enough to make a difference though correct?
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Old 11-11-2013, 08:44 PM
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No, it's very important that the new crank is balanced to the exsisting rods and pistons.
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Old 11-12-2013, 01:08 AM
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^^^^^ Agreed

Otherwise there'll be vibration like that old pan head Harley. Lots of shake, rattle, and roll but not much else.
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Old 11-12-2013, 05:13 AM
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It can be balanced, but I would not suggest bolting it in and running it with LS1 internals without being balanced first.
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