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Coleydog · 11-11-2023, 08:35 AM

Looking to get info on wall thickness of a 413 street and industrial block, to see how far each can be safely bored out to 4.25 or max to 4.31? I can get either one cheaply but I don’t want one to thin for racing. Thanks

11-11-2023, 08:35 AM	#1
Coleydog Senior Member Join Date: Jul 2014 Posts: 572 Likes: 38 Liked 53 Times in 38 Posts	413 industrial block boring Looking to get info on wall thickness of a 413 street and industrial block, to see how far each can be safely bored out to 4.25 or max to 4.31? I can get either one cheaply but I don’t want one to thin for racing. Thanks