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Main crankshaft bearing clearance-oil pressure

This is a discussion on Main crankshaft bearing clearance-oil pressure within the Internal Engine forums, part of the LSx Technical Help Section category; anyone know the crankshaft bearing clearance for the LS1..? Whats normal oil pressure...? thanks......

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    ls1ftw tigersport14's Avatar
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    Main crankshaft bearing clearance-oil pressure

    anyone know the crankshaft bearing clearance for the LS1..? Whats normal oil pressure...?

    thanks...

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    ls1ftw tigersport14's Avatar
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    bumppp

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    Quote Originally Posted by tigersport14 View Post
    anyone know the crankshaft bearing clearance for the LS1..? Whats normal oil pressure...?

    thanks...
    a haynes book can tell you. im at work or i would look in my book for ya, cause i cant remember. oil clearance for the bearings has something to do with i believe some kind of mylar strip(?) laid long ways on the crank journal and put main caps on,torque, and remove to measure how wide the strip was flattened out and the book gives you allowable tolerences

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    ls1ftw tigersport14's Avatar
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    oh alright...thanks

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    Senior Member mrr23's Avatar
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    factory specs

    connecting rod bearing clearance 0.015 - 0.063mm or 0.0006 - 0.00248 in.
    main bearing clearance 0.018 - 0.054mm or 0.00433 - 0.02 in.

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    ls1ftw tigersport14's Avatar
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    thank you

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    Senior Member mrr23's Avatar
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    no problem.

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