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What makes a 347?

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Old 11-09-2004, 07:11 PM
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Default What makes a 347?
What turns an LS1 to a 347? Is it just a simple rebuild, or is it changing to aftermarket pistons & rods?
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Old 11-09-2004, 07:41 PM
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the ls1 is a 347 from gm.
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Old 11-09-2004, 07:43 PM
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The LS1 is a 346. There are a number of ways to do it. Bore it out a tiny bit and you will hit it. De-stroke it and bore it. CI is a forumal.

-Todd
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Old 11-09-2004, 07:48 PM
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My bad
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Old 11-09-2004, 09:13 PM
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When I spun all of my crank bearings, I replaced the rods & pistons w/ diamond pistons & eagle rods. Would that make it a 347?
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Old 11-09-2004, 09:52 PM
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Originally Posted by WhosYourDaddy
When I spun all of my crank bearings, I replaced the rods & pistons w/ diamond pistons & eagle rods. Would that make it a 347?
that would depend on the specs

i've got a 347 w/ 3.905 bore and stock stroke.
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