Originally Posted by gregsdart
That port in the block right by the 2nd line i believe is for use with that line? Anyone know what fitting goes with that port? It isn't pipe thread. Uses an O ring and straight threads.
It is AN-12 straight thread O-ring. This is my labeled block hardware for the BMP aluminum block.

BMP_Block_hardware2-15.jpg
1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1