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MAURICE BLENDHEIM · 01-14-2014, 07:58 PM

Carl… We've found the "386" and "388" blocks to be good also. They are usually Early 1968-69 castings, prior to the "010". The early 1969-70 "010" are very solid also, and in most cases have a "K12" behind the passenger cylinder head at rear of block. Always consider core shift that is noticeable at cam tunnel, try and find a block that has the cam tunnel bored centred with the thrust flange. Good Luck…MB.

01-14-2014, 07:58 PM	#1
MAURICE BLENDHEIM Senior Member Join Date: Jun 2011 Location: Langley (no igloos), British Columbia, Canada Posts: 569 Likes: 311 Liked 284 Times in 87 Posts	Re: Best 350 OEM Block Carl… We've found the "386" and "388" blocks to be good also. They are usually Early 1968-69 castings, prior to the "010". The early 1969-70 "010" are very solid also, and in most cases have a "K12" behind the passenger cylinder head at rear of block. Always consider core shift that is noticeable at cam tunnel, try and find a block that has the cam tunnel bored centred with the thrust flange. Good Luck…MB.