Does anyone have a part number for the fuel regulator VSV from the early 22RE, 86 preferably? I'm looking for a cross reference to find out what other vehicles might have used it.

 

Try http://www.toyotapartsoverstock.com/ Once you find the part, look under "fitment" to see what other models/years it is used in.

I don't know enough about that vintage vehicle to even know what part you're talking about, or I'd try to find it. You, on the other hand, won't have any trouble at all.