You made it pretty far without the check engine light coming on, you might get lucky. Most who don't the light usually comes on in about a month or two. At any rate you should get to the new house no problem.

[quote]then I got to learn how to adjust the valves on this thing[\quote]

Aftre reading how it was supposed to be done, I didn't even attempt it, it looked like to much of a PITA. I had the head shop do it when the rebuilt the heads this past spring, it made re-assembly a piece of cake.

More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed