Small Block LS Engine Dyno Testing Part II - Big Power, Small Budget
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A GM LS2/LS7 valley-plate cover (PN 12570471) is used in the build rather than the L72 version that contains oiling provisions for the lifter oil-manifold assembly and active fuel-management (AFM or displacement on demand) collapsible lifters offered on the G8's L76 engine. Note the oiling provision block-off on the non-AFM-equipped valley plate. View Related Article
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