compression test results on fresh motor. what do you think

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Old Oct 10, 2003 | 03:05 PM
  #1  
crx1856's Avatar
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Default compression test results on fresh motor. what do you think

this is on my freshly done motor w/300 miles on it.
cyl #1 180 cyl#2 195 cyl#3 200 cyl#4 200. do you think i will have a problem with cyl # 1and 2, or will the rings still have time to seat? this is on a 84mm bore 9:5.1 cr in a b16.
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Old Oct 10, 2003 | 03:18 PM
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From: Somerset, NJ, USA
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cyl #1 is off...if you have +/- 20psi...something is "wrong"...i would call who ever did your motor and tell them...
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Old Oct 10, 2003 | 03:25 PM
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Default Re: (bigwig)

wait until a 1000 miles they could just still be sealing. Mine test showed 195 across the board with the throttle plate closed and i have 9.5 to 1 comp also. So your getting pretty good numbers.
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Old Oct 10, 2003 | 09:46 PM
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Default Re: (m3bluegsr)

anyone else think it's could be the rings still seating or do i have a bigger problem?
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Old Oct 10, 2003 | 09:52 PM
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Default Re: (crx1856)

it could be possible your headgasket hasn't sealed properly or that the rings havn't either. Like someone else said earlier, just wait till 1000 and if it doesn't change, take it back to the shop and ask them what its wrong.
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