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Compression Test / Leak Down Test

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Old Feb 12, 2007 | 06:09 AM
  #1  
godnf8's Avatar
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From: Chantilly, VA, United States
Default Compression Test / Leak Down Test

What are the typical numbers on a compression test on a 01'ITR

Also if the compression test shows good numbers across the board does that mean my Piston rings are ok or will I need to run a leak down test as well.

I'm just really paranoid after having the rings go bad on my '00 Si and want to make sure all is well on my new R

Compression test Numbers I got
Cyl#1 205 Cyl#205 Cyl#3 210 Cyl#4 210
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Old Feb 12, 2007 | 06:16 AM
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From: Crazy Canuck, Everywhere
Default Re: Compression Test / Leak Down Test (godnf8)

Your compression numbers look great.

The actual number varies depending on the gauge you are using. My stock engine last measured 180 across the board before the rebuild. It now measures ~280 with the same gauge.

What you are mainly interested in seeing is good consistent numbers which is what you have.
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Old Feb 12, 2007 | 06:24 AM
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From: VirNgOiVnAia
Default Re: Compression Test / Leak Down Test (BABY NSX)

A friend of mine at Pohanka did the checks on that car. He said everything looked great

My bust I missed your call yesterday, was getting my car towed.
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Old Feb 12, 2007 | 06:38 AM
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Default

My Compression is 225 225 224 225. I think the span is 180-240. Each number being within 0-15 of each other or id start to worry.
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Old Feb 12, 2007 | 07:09 AM
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Default Re: Compression Test / Leak Down Test (BABY NSX)

Yeah, I had the honda dealership do the test, just don't want to have same problem I had in my Si, being paranoid I guess -_-
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Old Feb 12, 2007 | 07:33 AM
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From: Yankee in Wilmington, NC
Default Re: Compression Test / Leak Down Test (godnf8)

you want to be sure of everything do a leakdown...

my compression was as follows

208 210 210 212

leakdown

0 12 44 25

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