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Budget 390 FE Engine Build Cylinder Bore Honing

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Because our 390 block is already bored 0.030 inch oversize, we didn't bore to 0.040 inch over. Instead, we'll hone the additional 0.010 inch. We do this because boring creates excessive heat we don't want. We'll take a slower path to 0.040 inch over. JGM begins with coarse stones, then finer as he hones. Here, he tapers cylinder bores for smoother access.
Budget FE Power! - Part 1 in a Two-Part Series

 Because our 390 block is already bored 0.030 inch oversize, we didn't bore to 0.040 inch over. Instead, we'll hone the additional 0.010 inch. We do this because boring creates excessive heat we don't want. We'll take a slower path to 0.040 inch over. JGM begins with coarse stones, then finer as he hones. Here, he tapers cylinder bores for smoother access.  View Related Article

 

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