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compression numbers need help

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Old Jun 25, 2005 | 07:29 AM
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Guru Designs's Avatar
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Default compression numbers need help

After finally getting a compression gauge i can further tech my motor to see whats the problem but i got some compression numbers and i dont know what to think of them.

Cylinder 1- 232 psi
cylinder 2- 228 psi
cylinder 3- 234 psi
cylinder 4- 224 psi

average psi in motor 230.

Is it normal to have a high and low with a diffrence of 10 psi's. thanks in advance for you help
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Old Jun 25, 2005 | 07:39 AM
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Yep, looks good to me. Did you have the ECU fuse out when you were doing the test? Was the motor warm?
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Old Jun 25, 2005 | 07:53 AM
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no and no. i havent been able to start my car in about a week. i did disconnect the dizzy so that i wont blow the ignitor.
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Old Jun 25, 2005 | 08:05 AM
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Default Re: (tobe2be)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tobe2be &raquo;</TD></TR><TR><TD CLASS="quote">no and no. i havent been able to start my car in about a week. i did disconnect the dizzy so that i wont blow the ignitor.</TD></TR></TABLE>

Next time do it with the motor warm, and pull the ECU fuse out for a more accurate reading.
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Old Jun 25, 2005 | 08:44 PM
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those numbers are fine
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