Timing is Everything

Timing is Everything -Assembling and Testing an upgraded LS Valvetrain.   Tried and true is the name of the game for General Motors’ longest running engine design.  The materials have changed, the dimensions have been tweaked, and the architecture has been reinvented several times over, yet the same valvetrain design has served General Motors V8s for nearly seven decades.  Even with the latest fourth and fifth generations found in the LS engine, the principles of the pushrod valvetrain remain universal and friendlier than most seem to expect.  But despite 20 years of manufacture, a large number of shadetree builders treat

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