S2000 Under The Hood S2000 Technical and Mechanical discussions.

just did a compression test

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Old 06-12-2007, 12:32 AM
  #11  
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Originally Posted by B.Money,Jun 10 2007, 11:30 PM
oh lol my bad. yeah i dont really know much about that, but I wanna do it soon lol. So you take all plugs out, hold woot, and after a couple off times the engine turns over, check your guage. I guess i got it... I think what happend is I was listening to a couple guys at work that think they know what they are talking about and they laughed at me when i said something about holding wot when running a compression check. heh so i guess i was right
you need to take out the fuse for the fuel pump, hold WOT, crank the same number of time for all cylinder, recheck the number at least once.

put a little bit of antiseize or motor oil on the thread of the tube, sometime i put them on so tight they kinda stuck there

the idea of hold WOT is to let the motor breath, there's no point to see how well the motor perform with a closed air supply.
Old 06-12-2007, 02:11 AM
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drop a teaspoon of oil into each cylinder before you test it, it will help get the correct number with less turn-overs.
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