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Main Bearing Clearances LS1 - LS6

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Old Jan 8, 2005 | 01:30 AM
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Mr6spd
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Default Main Bearing Clearances LS1 - LS6

What are the recommended main bearing clearances for use in these aluminum blocks? I don't think the conventional iron block bearing clearnance recommendations would apply. I've read that for conventional aluminum block small block chevy's; that the bearing clearances should be run real tight when cold, because the aluminum block expansion will significantly increase the clearnace when hot.

What is recommended for the LS1/LS6 ???
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Old Jan 8, 2005 | 01:47 PM
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From: San Diego, CA "leaf" "tee" "e"
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http://teamzr1.com/ubb/ultimatebb.ph...&f=10&t=000033
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Old Jan 8, 2005 | 04:20 PM
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seem to be the exact same as iron block motors. .003" clearance or so. Thats usually what i have my mains/rods spec'd at.

Dave
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