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SGSST109E · 01-09-2009, 11:54 PM

The date code on the block is "I 10 4" should mean Sept. 10th day 1964. Does anyone know what a great wall thickness would be be on a stock 4" block?

01-09-2009, 11:54 PM	#3
SGSST109E Member Join Date: Jun 2007 Location: NJ Posts: 351 Likes: 62 Liked 126 Times in 61 Posts	Re: SBC 327 Block casting number 3959512 The date code on the block is "I 10 4" should mean Sept. 10th day 1964. Does anyone know what a great wall thickness would be be on a stock 4" block?