>IF you dig deap enough you can find a cast aluminum pump that has screws >instead of rivits, Those you can get "fixed" so that they operate with >"todays" gas compatible parts. Hi Paul, Being a mechanical engineer and machinist, I could easily do this myself -- I do this very thing to vacuum advance units which I can't get new anymore. BUT, the new pumps pump the gas just fine and I could care less about the difference in looks. Kurt Kurt Greske ( kurt_greske@xxxx )