Holley Guys- what is this???

Print Thread

Holley Guys- what is this??? #1559895 01/06/14 03:26 PM 01/06/14 03:26 PM
Joined: Sep 2006 Posts: 3,011 Sac, CA M mopowers OP master
mopowers OP master M Joined: Sep 2006 Posts: 3,011 Sac, CA	I had my 750 DP Holley apart this weekend was curious about this... Does anyone know what the holes where the red arrows are for in the primary metering block?? And why are they in a different spot on the secondary metering block (yellow arrows)??

Hop To