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L92 Bore Size? 4.06, 4.065, 4???

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Old 10-16-2007, 07:49 PM
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Default L92 Bore Size? 4.06, 4.065, 4???

I need to order pistons now but I don't have my new block yet. Does anyone know what the real number is for the exact bore on a L92 block?
Is it 4.065 or 4.067. I'm going to order pistons .005 over so there is room to torque plate hone. What is the real bore size?
Old 10-17-2007, 07:24 AM
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Per the GM blueprint, the stock piston is 4.065.



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