intake valves

  1. H

    Intake manifold runners and plenum cleaning?

    Hi everyone, On a 2015 3.8 v6 Genesis, what is the most effective way to clean the intake manifold plenum and intake runners? Not the intake valves. Is the manifold made of plastic, aluminum or steel? Can we completely remove the intake manifold and manually clean it? Which cleaners to use...
  2. J

    Walnut blasted my intake valves

    Finally got my intake valves walnut blasted. Did it after 100200 km and the carbon build up was pretty significant.
Back
Top