# compression test

**URL:** <https://turborenault.co.uk/t/compression-test/27755>\
**Category:** Retro-Renault Archive\
**Tags:** compression\
**Created:** [August 5, 2010, 2:34pm UTC](https://turborenault.co.uk/t/compression-test/27755 "2010-08-05T14:34:42Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![podd](https://turborenault.co.uk/letter_avatar_proxy/v4/letter/p/74df32/32.png) [@podd](https://turborenault.co.uk/u/podd)\
**Post date:** [August 5, 2010, 2:34pm UTC](https://turborenault.co.uk/t/compression-test/27755/1 "2010-08-05T14:34:42Z")

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can anyone tell me if these compression test results are normal dry test no 1=176 no2=174 no3=188 no4=180 wet test no1=188 no2=180 no3=194 no4=192 i think my rings have gone because it smokes when i rev it, but as i have not done a compression test before i can not be sure. thanks guys

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**Author:** ![bidderman1969](https://turborenault.co.uk/user_avatar/turborenault.co.uk/bidderman1969/32/618_2.png) [@bidderman1969](https://turborenault.co.uk/u/bidderman1969)\
**Post date:** [August 5, 2010, 3:15pm UTC](https://turborenault.co.uk/t/compression-test/27755/2 "2010-08-05T15:15:22Z")

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valve stem seals instead?

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**Author:** ![podd](https://turborenault.co.uk/letter_avatar_proxy/v4/letter/p/74df32/32.png) [@podd](https://turborenault.co.uk/u/podd)\
**Post date:** [August 5, 2010, 3:20pm UTC](https://turborenault.co.uk/t/compression-test/27755/3 "2010-08-05T15:20:57Z")

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did them only put the head back on a week ago

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**Author:** ![minichapperz](https://turborenault.co.uk/user_avatar/turborenault.co.uk/minichapperz/32/245_2.png) [@minichapperz](https://turborenault.co.uk/u/minichapperz)\
**Post date:** [August 7, 2010, 11:47pm UTC](https://turborenault.co.uk/t/compression-test/27755/4 "2010-08-07T23:47:06Z")

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you might of nipped the seal when putting them back in, run it a bit longer whip the plugs out you will tell which one due to crud on the plug

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**Author:** ![mike9h29](https://turborenault.co.uk/user_avatar/turborenault.co.uk/mike9h29/32/702_2.png) [@mike9h29](https://turborenault.co.uk/u/mike9h29)\
**Post date:** [August 8, 2010, 7:17am UTC](https://turborenault.co.uk/t/compression-test/27755/5 "2010-08-08T07:17:21Z")

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I have 190psi +/- 2 on all 4 cylinders on my megane 1.6e 8v k7m.

I had a problem with mine. It did smoked after head gasket replacement. But as ChrisH told me, it was a stuck piston ring. It is now perfect and not smoking at all.

Spray some WD40 in the cylinders and give it some time. It should help if its a stuck ring.

Mario

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**Author:** ![minichapperz](https://turborenault.co.uk/user_avatar/turborenault.co.uk/minichapperz/32/245_2.png) [@minichapperz](https://turborenault.co.uk/u/minichapperz)\
**Post date:** [August 8, 2010, 3:07pm UTC](https://turborenault.co.uk/t/compression-test/27755/6 "2010-08-08T15:07:01Z")

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ahhh good thinking from the “H”

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**Author:** ![podd](https://turborenault.co.uk/letter_avatar_proxy/v4/letter/p/74df32/32.png) [@podd](https://turborenault.co.uk/u/podd)\
**Post date:** [August 9, 2010, 9:59pm UTC](https://turborenault.co.uk/t/compression-test/27755/7 "2010-08-09T21:59:03Z")

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thanks guys will try that tomorrow:lol:

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**Author:** ![Chris\_H](https://turborenault.co.uk/user_avatar/turborenault.co.uk/chris_h/32/609_2.png) [@Chris\_H](https://turborenault.co.uk/u/Chris_H)\
**Post date:** [August 12, 2010, 9:55pm UTC](https://turborenault.co.uk/t/compression-test/27755/8 "2010-08-12T21:55:09Z")

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those readings are fine

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**Author:** ![podd](https://turborenault.co.uk/letter_avatar_proxy/v4/letter/p/74df32/32.png) [@podd](https://turborenault.co.uk/u/podd)\
**Post date:** [August 13, 2010, 10:05pm UTC](https://turborenault.co.uk/t/compression-test/27755/9 "2010-08-13T22:05:41Z")

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cheers chris thats good to know:lol: