Building A Nissan KA24DE Motor - Tech Knowledge
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Mike McDaniel, of Engine Supply in Santa Ana, CA, made a couple of passes with the bore machine to determine how much material had to be taken out. Remember, it's easy to enlarge the bore, but impossible to make it smaller. We went from the stock 89mm to a 90mm bore. Having a general reference of how much material each pass removed gave them a general idea of how much they needed to bore the block to get to the general area in which they needed to be. Once the machining was done, we measured the block again. We were within our 0.01 mm out-of-round tolerance and the final hone was within our piston-to-wall clearance. Our block was now ready to be taken back to the shop to be assembled. View Related Article
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