Post by
shawya »
https://forums.nicoclub.com/shawya-u2955.html
Thu Jun 24, 2004 5:58 pm
So I decide to check the plugs: 1 is covered in oil and carbon, while 2, 3, and 4 look pristine, as they should in an engine that hasn't been run. Confirmed that only cylinder 1 does this, and it only takes a couple cranks to make a plug look 20000 miles old. I then swap coils to see if the coil is firing and burning the stuff off, coils are fine. So I just did a compression test on the cold engine (couldn't be hot if I can't get it to start) with the results below:1st test: 125 124 130 1152nd test (added a small amount of oil to each cylinder): 124 134 140 1253rd test (didn't add any more oil): 129 135 137 124Now, I know these numbers are low, but on a cold engine they shouldn't be much higher anyways, should they? With these numbers, I'm still not totally convinced that I have either bad rings or valves as I had been suspecting. I'm just trying to stay optimistic that this thing'll fire right up with the IC hooked up. Any thoughts on what these numbers might suggest? Help is appreciated.