Originally Posted by a493demon
My KB block doesn't oil through the lifters

When I bought my KB aluminum block, I paid for the option to have the lifter galleries oil pressurized.
In 2014, they had the oil pressure flow around the rear cam bearing (between a groove in the block and the bearing shell),
then it went up to the lifter galleries.

My understanding of the newer blocks (see new picture here) is the yellow lines.

KB_block_rear_lifter-oiling.jpg

1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1