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Message: <blockquote data-quote="nemoxii" data-source="post: 379587" data-attributes="member: 9782"><p>careful going .030 over on the bore...most shops would recommend going no more than .020 over on the 4.6l blocks. I have seen plenty of people selling .030 over short blocks and they make plenty of .030 pistons, but if your going to be spending 2k+ on a aftermarket rotating assembly, you might as well spend the 300 bucks to buy a virgin block and keep the standard bore. If your going just for displacement there are some forged stroker kits out there that'd put ya at 298ci. However you should reach 300rwhp N/A on the stock short block fairly easy...just gonna cost about as much as the car is worth.</p></blockquote><p></p>