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Originally Posted by simoneau
you really should remove the valve covers and eyeball the timing chain tensioners and slide rails. A friend of mine did the same overheat to his engine and his rails and tensioners warped to the point of turning 90 degrees to their respective positions. In his case, noises ensued!
If the heat melted the sight glass & toasted the paint on the head covers..I would definitly be concerned about the condition of the internal plastic parts...cam chain guides, timing chain guides, oil inlet assy...