Camshaft Assembly Lube & Break in Lube Part of my 1963 Ford Falcon engine build is researching how to build and break-in the engine... the right way. To get great advice, I asked the experts at Edelbrock. They've been building engines and hot rod parts forever... not to mention they've been very cool helping me with my engine build and with MyRideisMe.com. Hope these tips are helpful! Tech with Edelbrock: Camshaft Break-in for Hydraulic Flat Tappet Camshafts Upgrading your hydraulic, flat tappet cam is a very popular performance upgrade. In many cases, cam changes happen independently of a complete engine rebuild. With or without engine rebuild, when changing cams, proper steps must be taken to ensure a hassle-free installation, break-in period, and of course, good cam and lifter life. The following are the basic steps for camshaft break-in. Read and follow the included instructions with every Edelbrock cam and lifter kit. We're skipping the assembly and disassembly steps because there's too many variations to cover it all. 1) Always use new lifters with a new camshaft. Do not use existing lifters with a new camshaft. Cam lobe wear is...