Guest jeff1216 Posted September 30, 2003 Share Posted September 30, 2003 I have only had the 78 280z for a couple of weeks. (stock L28 motor-fuel inj.-5 speed) weeks. It has a noticable ping. Slight smoke at idle. Smokes like a freight trane when you stomp the gas while driving. It is white smoke witch I thought was oil but it has a VERY strong smell of gas. Has a slight backfire on fast decel. I did a compression test today. pumped up between 175 and 180 on each cylinder, but leaked down pretty quick. I took her out and really romped on it today.......motor feels like it is pulling strong until 4th gear ...at that point speedo would not go past 80 and you could hear slight pinging. What do I need to look at.....any idea what the problem may be? Quote Link to comment Share on other sites More sharing options...
Guest Nic-Rebel450CA Posted October 4, 2003 Share Posted October 4, 2003 Bad rings, bad seals, leaky injector(s), all the above? I hope you didnt spend too much on this car, sounds like time for a rebuild at the very least. Quote Link to comment Share on other sites More sharing options...
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