• GM Performance Parts LS327 Crate Engine Alternator Mounting Bracket
    After removing the serpentine belt and alternator, Ox unbolted and removed the alternator mounting bracket from the engine.
    GM Performance Parts LS327 Crate Engine Alternator Mounting Bracket
    After removing the serpentine belt and alternator, Ox unbolted and removed the alternator
  • GM Performance Parts LS327 Crate Engine Air Intake Manifold
    The fuel and water lines were removed before Ox removed the air intake manifold.
  • GM Performance Parts LS327 Crate Engine Oil Dirt And Grime
    As you can see, there was quite a bit of oil, dirt, and grime accumulated over the 120,736 miles.
    GM Performance Parts LS327 Crate Engine Oil Dirt And Grime
    As you can see, there was quite a bit of oil, dirt, and grime accumulated over the 120,736
  • GM Performance Parts LS327 Crate Engine Vortec Engine
    After the engine mounts were unbolted, Ox guided what was left of the original 5.3L Vortec engine carefully out of the engine bay.
    GM Performance Parts LS327 Crate Engine Vortec Engine
    After the engine mounts were unbolted, Ox guided what was left of the original 5.3L Vortec
  • GM Performance Parts LS327 Crate Engine External Parts
    The all new GMPP LS327 would borrow most of the original 5.3L external parts to make the engine turnkey.
    GM Performance Parts LS327 Crate Engine External Parts
    The all new GMPP LS327 would borrow most of the original 5.3L external parts to make the e
  • GM Performance Parts LS327 Crate Engine Engine Mounts
    With the LS327 still in the crate, the orignial engine mounts were lined up and bolted to the new cast iron block.
    GM Performance Parts LS327 Crate Engine Engine Mounts
    With the LS327 still in the crate, the orignial engine mounts were lined up and bolted to
  • GM Performance Parts LS327 Crate Engine Permatex Loctite
    After recovering the original 5.3L flexplate, new bolts were given a coat of Permatex Loctite before being hand-threaded into the crankshaft to secure the flexplate. Notice the engine block/bellhousing dowels that are used to align and locate the bellhousing/transmission to the engine block.
    GM Performance Parts LS327 Crate Engine Permatex Loctite
    After recovering the original 5.3L flexplate, new bolts were given a coat of Permatex Loct
  • GM Performance Parts LS327 Crate Engine Oil Pressure Switch
    Ox threaded in the original oil pressure switch.
  • GM Performance Parts LS327 Crate Engine Cylinder Head Water Jacket Crossover Tube
    The cylinder head water jacket crossover tube was reused again.
  • GM Performance Parts LS327 Crate Engine Knock Sensors And Wire Connectors
    Both original knock sensors and wire connectors were reused.
  • GM Performance Parts LS327 Crate Engine Original 5 3L Engine Parts
    The new GMPP LS327 engine was almost ready—using the original 5.3L brackets, mounts, flexplate, knock sensors, cylinder heads crossover water jacket tubes, and pulleys.
    GM Performance Parts LS327 Crate Engine Original 5 3L Engine Parts
    The new GMPP LS327 engine was almost ready—using the original 5.3L brackets, mounts, flexp
  • GM Performance Parts LS327 Crate Engine Engine Bay
    Ox carefully guided the new GMPP LS327 crate engine down into the Avalanche’s engine bay aligning the engine and transmission. This was a little tricky and took a few tries.
    GM Performance Parts LS327 Crate Engine Engine Bay
    Ox carefully guided the new GMPP LS327 crate engine down into the Avalanche’s engine bay a
  • GM Performance Parts LS327 Crate Engine Pulleys And Alternator Bracket
    Pulleys and alternator bracket was then secured to the engine block.
  • GM Performance Parts LS327 Crate Engine Coil Pack Rails
    A 13mm deep socket and 3/8-inch ratchet were used to secure the coil pack rails to the new valve covers.
    GM Performance Parts LS327 Crate Engine Coil Pack Rails
    A 13mm deep socket and 3/8-inch ratchet were used to secure the coil pack rails to the new
  • GM Performance Parts LS327 Crate Engine Intake Manifold Gaskets
    New intake manifold gaskets were carefully installed onto the cathedral port intake manifold.
    GM Performance Parts LS327 Crate Engine Intake Manifold Gaskets
    New intake manifold gaskets were carefully installed onto the cathedral port intake manifo
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