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Block has ~2.347 cam bore. Does this mean i have to run a 60+mm bearing.
50mm roller bore is 2.2495?
What size bore is for a 55mm?
What about 60's?'
Thanks guys
 

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Doesn't the LS3 blocks feed oil pressure through the lifters first and not the crank like the LSX, RHS, and Warhawk blocks do...
I believe a roller cam bearing in an LS3 block will kill oil pressure.
 

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I've seen roller cam bearings in LS1/6 blocks with no issues..... only question is why not just keep a babbit and make it bigger?
 

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Doesn't the LS3 blocks feed oil pressure through the lifters first and not the crank like the LSX, RHS, and Warhawk blocks do...
I believe a roller cam bearing in an LS3 block will kill oil pressure.
Yes you would be right but after you machine it you can regrind some more oil passage around it to fix that before reinstalling the new bearings.
 
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