Patent ID: 6272910
Filing Date: 2001-08-14
Classification: F01L,G01M

Abstract:
A measurement platform tool for an overhead cam shaft type internal combustion engine having at least one piston reciprocable within a cylinder formed in a block; an intake valve and an exhaust valve for said cylinder, wherein intake and exhaust cam lobes on said cam shaft engage upper ends of respective intake and exhaust valve stems, the platform tool comprising:at least one relatively rigid bridge component including a pair of mounting flanges at opposite ends thereof, said mounting flanges having fastener holes aligned with fastener holes in said engine block on opposite sides of said cam shaft, said relatively rigid bridge component having a plurality of holes therein adapted to support one or more measuring devices adapted to engage the intake or exhaust cam lobes on said camshaft; and wherein the tool is in combination with a spark plug hole adapter threadably engageable with a spark plug hole in the engine, said adapter having a through bore for receiving a stem of a piston stroke measurement device supported on said relatively rigid bridge component.