Compression Help Needed

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Posted by MadMav71 (63.124.245.234) on March 13, 2001 at 18:15:43:

So I finally broke down and did a compression test on my engine. The problem I have had the entire time is a sporadic miss, from idle on up through the RPM band. All electricals have been replaced, as well as new carburetor, etc. The miss got a little better, but was still there.

So when I did the compression test, I got around 135 lbs on the number one cylinder, and 150 to 153 or so on all the rest of the cylinders. I repeated the test a couple of times, with pretty much identical results. What does this sound like to you guys (& gals)? Rings? Valves sticking? Weak spring? Help!!

One more thing... will it hurt the car to drive it like that? Thanks :)

Follow Ups:

Re: Plug wires, etc. MadMav71 16:27:20 03/14/01 (3)
- Re: Duraspark Earl 21:36:28 03/14/01 (0)
- Re: Duraspark MadMav71 21:18:11 03/14/01 (1)
- Re: Plug wires, etc. Earl 21:10:18 03/14/01 (2)
Re: Compression Help Needed rickyracer 23:43:03 03/13/01 (4)
Re: Compression Help Needed Old Guy 18:36:49 03/13/01 (0)

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: So I finally broke down and did a compression test on my engine. The problem I have had the entire time is a sporadic miss, from idle on up through the RPM band. All electricals have been replaced, as well as new carburetor, etc. The miss got a little better, but was still there. : So when I did the compression test, I got around 135 lbs on the number one cylinder, and 150 to 153 or so on all the rest of the cylinders. I repeated the test a couple of times, with pretty much identical results. What does this sound like to you guys (& gals)? Rings? Valves sticking? Weak spring? Help!! : One more thing... will it hurt the car to drive it like that? Thanks :)

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