Let me preface this by saying I don’t know a thing about cars and I tend to be long winded.   anyway, recently I bought a 91 XT6 with the manual transmission.  I’m technically the 5th owner, but the person I got it from didn’t do much to it nor did he have it very long.  The person before him (who I will refer to as the previous owner) had the car for 8 years and did $3k worth of work to it.  P.O. stated that the car “runs rough and has since I purchased it.”     anyhow, the car is har