I've decided to sell my small journal 327 block and crank. Casting number 3959512. What makes it rare is that it is a small journal but built after '67. Stamped CE5N2134 so factory replacement engine. Also stamped S0920XTD. Date casting I 11 4 (Sept 11 74). Made for spin on oil filter so couldn't be '64. Also casting 010 under timing cover like 350's of that era. I was told these are a good block to build up for racing. Oh and the block and crank still Standard. And I'm throwing a Marine cam in with it. I'm asking $300.
"This is a service replacement 327 block that is VERY similar to the early '010 blocks. These were cast using most of the cores from the '010 block except at the rear area where the boss for the road draft tube is located. This portion is like an earlier 327 block but the rest of it is like a '010 block. You will even see the numbers "010" cast in the block in the timing chain area and also in the rear behind the flywheel.
These are very good blocks and make an excellent block for a vintage race car where it is necessary to have a block with the road draft vent tube boss at the rear. These have thicker main webs then earlier 327 blocks and while I have not seen one with 4 bolt mains, they are very easy to convert to 4 bolt. I mostly have seen them with small crank journals bit I have also ran across one or two with large journals.
Thru the years, I have built many vintage race engines using these blocks."
