We now have 90UL Avgas which is cleared for use on most engines like Lycomings in the UK. It is 20% cheaper than 100LL and our fuel costs are way higher than in the US. I have been running it in by PA28 140 for about a year with no ill effects.
Peter Drake UK "It will be a great day when 100NL (no lead) is available and the lead problem with valves and plugs, is also removed from the equation."
