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valve train

  1. GTAM head components

    GTA (1965-1975)
    Hallo everybody, I'm trying to make a quote for a project GTAM replica. I know there are quite a few bare heads here and there. So I'm looking for valves and related components (guides, springs, retainers and so on), and expecially for their prices. Any suggestion about where to look for them...
  2. lifter/tappet noise

    Alfetta & GTV6 (1972-1986)
    So my engine 2.5 V6 has a slight tappet clacketty clack noise, not too loud. I took off the valve covers and adjusted the exhaust valve clearances to .009 between the cam and tappets, I didn't bother checking the intakes being the intakes cannot be adjusted without shims. Is this noise normal...