Vehicles

6 Chevy 8.1 Engine Problems, Oil Capacity

The Chevy 8.1L v8 was made until 2009. It was aka Vortec 8100.

Problems:

  • Crankshaft Position Failure
  • Intake manifold gaskets fail
  • Lifter ticking
  • High oil usage
  • Spark plugs foul
  • Misfires at idle

 

The engine uses 6.5 quarts of 10w30 oil.

Video all about it:

 

 

Specs:

496 cubic-inch
330 hp @ 4200 RPM
450 lb.-ft. @ 3200 RPM
bore 108mm, stroke 111mm
9.1:1 compression
cast iron block and cylinder head

It was used in trucks, pickups, and RVs. It was used in Silverado, Suburban, Sierra 2500.

Compare to Vortec 7400