Thread: Surprise under the hood

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A 1968 327 block would be a block with the same main bearings as the later 350----------so could have been a 4 bolt block------If wanting to build a hyd roller cammed engine I would suggest using on from the roller cam blocks late 80s and up----------if a one piece seal block used there is a n adapter available to use the two piece seal/oil pan---------


Mike--- altitude won't affect the ratio formulas but will affect the amount of pressure --------

The machinist mentioned that he thought the 327 was not made as a 4 bolt but when he looked up the numbers, he determined that it was in fact a 327 block. I have no experience with the 327 so I don't know. I asked him if it could be a 350 with a 327 crank. He said the numbers don't show that. Maybe it's just me but the cool factor went up.