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Budget 390 FE Engine Build Resizing Line Bores

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When resizing the line bore, we begin with main bearing caps, shaving a couple thousandths off where caps meet the block to perfect mating surfaces. This, of course, makes the main journal passage smaller. We are also machining the sides to get them true.
Budget FE Power! - Part 1 in a Two-Part Series

 When resizing the line bore, we begin with main bearing caps, shaving a couple thousandths off where caps meet the block to perfect mating surfaces. This, of course, makes the main journal passage smaller. We are also machining the sides to get them true.  View Related Article

 

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