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Showing results for tags 'cylinder'.
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I recently completed a compression check on my 1976 280z It's all original from what I was told when I bought the car... Engine Has 103xxx Miles on it... and the Last 3xxx I have driven. It hasn't had any major issues in the past that I am aware of, but I did have to reseal the fuel tank and clean out and replace a few fuel Injectors. Results: Cylinder Pressure ..............(Dry).....(Wet) 1 ... 130 ... 140 2 ... 120 ... 130 3 ... 80 ... 90 4 ... 110 ... 120 5 ... 120 ... 130 6 ... 110 ... 120 I don't Know what the pressure should be but, I'm pretty sure 80/90 on one cylinder isn't right. The car accelerates kind of slow and always has(its an old automatic transmission never really expected anything super amazing). It tops out at about 35/40mph(which isn't right I was getting to 70 on the highways before this issue). And It makes a Metallic clicking sound once it hits 3000-4000rpm. Any help or advice would be appreciated.
Ive had my 240z running now for around a year now and it has been doing pretty well. I have a L28 currently and within the past week i noticed a lack of power, more exhaust fumes coming into the car and it was running roughly. The first thing I did was pull each spark plug out to see a change in rpm and Ive concluded that when I remove the #1 spark plug closest to the front of the car there is no change at all. I checked and saw that there was a spark jump, and I looked at the spark plug and it didn't look too bad. my head gasket has been leaking a little since i put the engine in which was probably a year or less ago. could that have anything to do with it. Any help would be much appreciated so i don't have to take it into a shop and pay lots of cash.