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LS1 engine bearings, are they aluminum?

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Old 10-26-2002, 04:54 AM
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Default LS1 engine bearings, are they aluminum?

Help me out here, even with all the time I spend on the boards, I do not know whether or not the LS1 uses aluminum in any of it's bearings. Someone asked me this and I am stumped.

Forgive me, the clueless newbie! <img border="0" title="" alt="[Razz]" src="gr_tounge.gif" />
Old 10-26-2002, 06:51 AM
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Default Re: LS1 engine bearings, are they aluminum?

Most bearings are tri-metal and this consists of Babbit, copper, and steel for backing.They usually come thru with a thin lead coating for dirt embedability and to help with dry starts. But i dont know specifically what GM uses on LS1 motor, sorry Patman! <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
Old 10-26-2002, 10:34 AM
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Default Re: LS1 engine bearings, are they aluminum?

Stock ls1 rod and mains are aluminum with steel backing.




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