Quote Originally Posted by CHEVYBOY
Gen V blocks are the only blocks that dont have the fuel pump boss cast in the block...Gen IV and Gen VI have a boss for the mechanical pumps..

How many bolt hold on your timing cover? Gen VI block have a composite cover with six bolts as opposed to 10 or the Gen IV
Will take a look and report back. Thanks for the info. Researching on ClubHotRod sure beats any other form of research!

Kurt