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Be careful using casting information By Royce P - 01/20/2004 7:51:32 AM; IP 152.163.253.69 A little knowledge can be confusing. 427's were made as late as 1973, possibly as late as 1974. The latest casting date I have personally seen on a 427 side oiler was 1973. Only 427's were made as side oilers. Some 360 and 390 blocks used 427 external block molds so they may have visual cues that lead you to believe you are looking at a 427. However these blocks don't have enough cylinder wall thickness to be bored out to 427 size (4.234") so they are no better than any other 390 block. Royce

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Skip Navigation Links.  427 fe block id -- chris, 01/20/2004 Be careful using casting information -- Royce P, 01/20/2004  RE: Be careful using casting information -- chris, 01/20/2004  Search "drill bit test" -- Royce P, 01/20/2004  The "figure-8" boss is only on the rear. -- Dave Shoe, 01/21/2004

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