S2000 Under The Hood S2000 Technical and Mechanical discussions.

Compression test results

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Old May 2, 2009 | 07:53 AM
  #11  
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ummm.... what wires?
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Old May 2, 2009 | 11:58 AM
  #12  
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Originally Posted by TelosHedge,May 2 2009, 10:53 AM
ummm.... what wires?
What wires?
Regardless, there is a wire connected to the sparkplug coils right?
Why? Is there a wireless ignition now!
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Old May 2, 2009 | 09:46 PM
  #13  
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if you're talking about the one wiring harness that runs along side the top of the valve cover you'd be pretty hard pressed to mix up the order. they are all chained together and only fit back on one way.
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Old May 2, 2009 | 10:08 PM
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my car is basically Stock w/ Headers,test tipe and catback exhaust..I notice it not having the power it should have compared to friends' S2000's...It does consume oil over time, especially when i am driving hard (all the time) lol ...but thats something that is common in our cars no?
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Old May 2, 2009 | 10:59 PM
  #15  
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Originally Posted by S2K Sideways,May 3 2009, 01:08 AM
my car is basically Stock w/ Headers,test tipe and catback exhaust..I notice it not having the power it should have compared to friends' S2000's...It does consume oil over time, especially when i am driving hard (all the time) lol ...but thats something that is common in our cars no?
don't worry about the overall compression numbers. Each compression tester will be different. All you need to pay attention to is the percentage difference between the numbers. That is what is important when seeing if there is a problem. Now that you have found a low compression in a cylinder, you need to find out why its low. Pour a teaspoon of oil into that cylinder and redo the compression test. If the numbers jump up, you know its a ring issue. If it doesn't, its something to do with the head. good luck
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Old May 3, 2009 | 04:42 AM
  #16  
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I understand not paying MUCH attention to the actual numbers vs. the variance between cylinders, but damn if the numbers are that low across the board there are some SERIOUS issues with all cylinders.

I would do it again with the engine warm and hopefully those numbers are a heck of alot higher, although I doubt they are 120psi higher.
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