You know... I wonder... if you were to go to a local Toy dealership, and ask to see a matching IAC valve, if you could compare the location of the stat in that one with what you had.
The logic being that it is probably set at "stock" from factory.

With 200+ Billion electrical parts, the world most complicated machine is inside your own skull.

Question Reality.
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'89 Rnr DLX "SR4.5", 32s w/ 5.29 locked f/r blah blah