My 9/69 build FJ40 has a 1974 engine and distributor installed, but when i bought it came with this one in a box of parts. I'm guessing it's a late 60's vacuum advance but cant find a model number to match it to. Looks like a 19100-60042 but not quite. It doesn't have the oil drain plug but has the boss where that would have been drilled. Has a metal octane selector. Anyone know the year the oil fill plug went away?