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gsa612 · 10-23-2011, 02:00 PM

All of the aftermarket blocks seem to have a 4.250 bore, the 396 .060 is 4.155, 402 is 4.185. Does anybody make a sm. bore block, the only other option would be sleeving down a 454 block. Does anybody out there have one thats been done that they want to sell. John gsa612

10-23-2011, 02:00 PM	#8
gsa612 Senior Member Join Date: Jan 2008 Location: 100th Meridian Posts: 569 Likes: 116 Liked 280 Times in 139 Posts	Re: 396 Block All of the aftermarket blocks seem to have a 4.250 bore, the 396 .060 is 4.155, 402 is 4.185. Does anybody make a sm. bore block, the only other option would be sleeving down a 454 block. Does anybody out there have one thats been done that they want to sell. John gsa612