I just took a little look around and ran across this Actron 9690 OBD1 & 2 scanner. I believe it is the best product review out there for that unit. It does most everything you want in a obd1 scanner, stored data, live data, all the vitals.
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1 note, no graphing with OBD1, other than that it works great, imo for OBD1 and 2