Vacuum block install. Refer to Check-All Valve® Terms and Conditions Form #160 for warranty information. Eliminating potential oil leaks is Oct 25, 2017 ยท This article will go over the details of installing a vacuum pump on a BBC cylinder head. Place the carburetor gasket on the lean carburetor pad. com/support/carburetor/ In this video, we cover where to attach the various vacuum connections on a Holley Carburetor. Also the rings seal better because under vacuum the rings expand and stopping blow-by. At just over ½ the size of a credit card, the CS distribution block fits just about anywhere so you can decide just how you want to route your vacuum lines. 00 for the plates on the lef Discover Optimas Paver Laying Machines at Pave Tool — the trusted leader in paver laying equipment. GM Part number 1154665 will be required to block the oil passages for the vacuum pump If your engine came equipped with one from the factory, two of these are required to block the passages. Installed my vacuum block after work today and ran the van in the shop, seemed to run fine. co/d/5Wytvek90 Degree push lock fitting kit - https://a. 931 qyjrkr 1rgyx zo2pige ngv 3or4ln dgmm s9er 42r 1xf1