I would advise to a micrometer to the muffler bearings and make sure they are not .034" out of spec, you must have overreved and knurled a few of the bearings. On Pg.14 of the Chilton manual will describe how to do this procedure properly.Cmarsh93z said:Id check the radiator filter...maybe its clogged.
Well I believe that the valvetrain is a part of the inside of an engine.NDSP said:Nope, internals are the crank, rods, pistons, and camshaft. Things that are held within the block. Not bolted to the block or on something bolted to the block. But maybe its just me.