How to do a Compression Test on your motor

General engine questions/issues that aren't specific to the other categories
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By ghskid06
- Wed Mar 09, 2011 11:04 pm #243223
94_jdm_ferio wrote:i got these

cyl#1-100
cyl#2-90
cyl#3-100
cyl#4-115

is that good, and im buring oil too


Your def rather low. I think 90 is the minimum pressure needed to fire.
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By cleenEX_93
- Thu Jul 07, 2011 6:57 am #262648 I just did a compression test on my civic and the 1st and 2nd cyl had low readings.... what do you recommend for that I need my car to pass smog and I would like to get this fixed right away but mechanic in my area is ask almost 1g to fix it... any other options?
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By ghskid06
- Thu Jul 07, 2011 9:19 am #262656 Diy engine rebuild would only cost you 2-3 hundred depending on how you went about it.
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By cleenEX_93
- Thu Jul 07, 2011 9:21 am #262657 I've never built an engine so I'm not sure how good that would turn out.... id like to learn how to do it but id be scared to mess it up more then what it is lol
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Re: How to do a Compression Test on your motor

By teal_dx
- Thu Sep 01, 2011 8:30 pm #269979
d16a9fan wrote:I got 170 PSI in each cylinder of my d16a9, is that good to start my DIY low boost (7psi) turbo kit?


Yeah that's decent. They were the same across all cyls so that's good :thumb:
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By illason
- Fri May 18, 2012 12:23 am #305281 nice, this was very helpful. gonna be doing this tomorrow.
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By illason
- Fri May 18, 2012 10:45 pm #305379 I just bought the same tester and performed my test. My results, this was warm engine and WOT dry #1 255 #2 260 #3 260 #4 269. Wet results #1 270 #2 265 #3 265 #4 275. can anyone tell if this a good test or bad? I have a B18C5 motor. I am burning lots of oil and my car is sputtering really bad. please help!
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