Saturday, 06 February 2010

• General Motors LS7 Engine

  
  Once again, the big news from General Motors revolves about the Corvette, this time centering on the introduction with the race-derived 427-cube LS7 powerplant that motivates the new '06 Z06. Having a rated 500hp at 6,200 rpm and a 7,000 rpm redline, it's an engine that's certain to please.
  
  The brilliant cylinder heads define the engine and are key to its energy manufacturing. Reportedly achieving airflow in the realm of significant racepieces, the ports are substantially revised.
  
  
  
  The intake ports are said to flow inside 360-cfm variety at 28-inch water depression, and are entirely CNC-ported. Ports characteristic a revised raisedentrance and a greater cross section to function while using larger displacement of the LS7.
  
  Combustion chambers are likewise totally machined to this masterfully sculpted kind and are stuffed with enormous 2.200-inch consumption valves and1.61-inch exhaust valves. The valve angle within the cylinder heads relative to the decks is altered to 12 degrees for enhanced airflow, a departure from the 15-degree angle employed by other Gen IV small-blocks. The chamber pattern gives substantial quench area for efficient combustion.
  
  
  
  

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