Building a 650 hp Naturally Aspirated Drift Spec LS3 Part 2

The pistons were lowered into place.

With everything right, the piston can easily be pushed into the bore by hand.  No tapping needed.

When the piston is down in the bore, you can see the really good cylinder wall finish.

The rod caps are tightened down by hand.

The rods are torqued down to their recommended torque then tighter further to their stretch spec. It is important to use stretch to measure correct rod bolt torque as not preloading rod bolts enough can read to there failure due to high cycle fatigue.

The AFR cylinder heads are assembled next. We had WPC treated the valves, valve springs and retainers for longer fatigue life and less friction.


  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.

Leave a Reply

Your email address will not be published. Required fields are marked *