McF,McFizzer wrote:If you take some oven cleaner on those valves with a wire brush and scrub the piss outta it for like 10 minutes you should be in better shape... Just a suggestion, nice FZ.
Oven cleaner is basically Lye or Caustic Soda and as such will AGGRESSIVELY attack alloy so is to be used with EXTREME caution and the item VERY thoroughly with water with vinegar in it to neutralise the Oven cleaner.