I have an 86 300zx 5 speed non turbo. It has always ran like crap, and all i've done so far is change the plugs and wires, and get it a new exhaust.
It really seems like it runs twice as fast when it's cold than when it warms up.But even when it does feel stronger it still hesitates a lot if floored or in the higher revs.
Any suggestions? I haven't taken a timing light to it or anything. so any suggestions are greatly appreciated. thanks!