1969 435hp L71 427 Corvette engine 500HP dyno test

Описание: This numbers matching 1969 435hp L71 427 Corvette engine built by CPMotorworks Inc of Janesville Wi performed very well with the original OEM air filter and OEM exhaust manifolds in place. This configuration produced 500.5HP @ 6000 rpm and 479.5lb-ft of torque @ 3600 rpm. GM rated these engines 435HP @ 5800 rpm and 460lb-ft @ 4000. This is a blueprinted build with close attention paid to the details that make a difference and the results show it all adds up to better than factory results.
Stock, rebuilt carbs, stock intake without any port work, OEM iron 858 heads with good valve job and mild blend work, 11.1:1 CR on VP110 fuel, RaceTec Custom 4.260" pistons, Crower Crank and Rods, Crane Blueprint SFT camshaft 242°/242° @ .050, 114° LSA, .520"/.520" Gross lift with .024"/.028" lash, Comp Cams Ultra Pro Magnum Rockers under the original covers, Manton Pushrods.
If you are looking for an performance engine shop that knows how to select the proper parts, perform their own machine work and quality control, and deliver an engine that performs, please consider the differences that make CPMotorworks, Inc unique. For more information see our website at www.cpmotorworks.com . Located in southern Wisconsin outside of Janesville, 1/2 hour south of Madison and 2 hrs from Chicago.