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MazdaSpeed 3 - Engine, Transmission & Driveline Discussion of engine, tranny and drivelines.


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 Old 03-25-2009, 09:53 AM   #1
 
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Default Compression test done..

I did a compression test yesterday just to see how it is.I cant remember the cyclinder order so I will just go from sri side across to the timing belt side.On the cylinder closest to the sri I got 180psi,then 172,175,173.These numbers seem about right altough I thought they where suppose to be from 180-200psi but I may be wrong.
Maybe someone can tell me the what it should be and what the cyclinder numbers really are.I think the cylinder closest to the sri is #1 then #3,#2,#4 but I may be wrong.
I wish I had a leakdown test gauge becuase that is what I would like to do next.I may have to pay someone to do that or I could just go buy the gauge and do it myself.
Anyways how do these #s look?
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 Old 03-25-2009, 02:57 PM   #2
 
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standard is 185.65 psi
Min is 130

Max difference between cylinders 28.5

And the numbering is 1-4 starting with the passenger side cylinder
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 Old 03-25-2009, 03:15 PM   #3
 
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Your golden. Im fighting mazda right now because mine is crap.
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 Old 03-25-2009, 03:28 PM   #4
 
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Thanks for the replys...Wow 130 psi seems pretty low...Are you going to rebuild?
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