Building a 650 hp Naturally Aspirated Drift Spec LS3 Part 2

Shaft rockers need to be set up for the application for the geometry to be correct. For lower lifts, the valve stem needs to be below the top side of the shaft and for higher lifts, the valve stem needs to be above the shaft.  The correct height is measure by a dial gauge and a supplied stand height gauge and adjusted by shims under the shaft rocker rail.

Once the correct shim thickness is determined, the shaft stands can be bolted down and the rockers installed.

Next, the cam is slid into place.  We had WPC treated the camshaft for less friction and longer life.

The rear cam thrust plate is put into place next.

The front cam thrust plate is installed.

Next, the timing gear and chain are installed.


  1. Want to purchase 2010 SS Camaro Automatic
    Would the motor in this vehicle be rebuilt to the specs in this video or would you place a new motor of your specs into the vehicle?
    VIN 2G1FK1EJ7A9207576
    Car is listed local to you on Carvana

    1. 256 degrees of duration at 0.050″ lift on the intake and 273 degrees duration on the exhaust. The lift is 0.712″ on the intake and 0.688″ on the exhaust side. The lobe centers are 107 degrees on the intake and 115 degrees on the exhaust with a 111-degree lobe separation angle

  2. Do yall offer engine building services i collapsed a lifter in my engine and an fixing to just go ahead and rebuild it to these specs.

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