i have a 1995 delsol 1.5L non v-tech i havent even had it a year yet an **** has been going wrong with it. it has 170,000 miles on it an im trying to prep it so i can sell it. here is a list of the things i have replaced over the short time i have had it.
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Radiator
Fan switch
Fan relay
Thermostat
Water pump
Spark plugs
Breaks
Rotors
Back drum breaks and springs
Head gasket
Exuast manifold gasket
Fual filter and Oil filter
Air filter
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I have put a grand if not more into the car an i have bought it for $4,500. it runs fine but idles low the timeing is dead on and the destibuter is exactly where it needs to be.And it has always had the pinging noise sence i have got the car i just dont exactly know how to resolve the problem. can someone help me get this car running as smoothly as when i first got it so i can sell it.

 

what shape is the fuel system in? does it go away with higher octane fuel?