73 cj compression? - JeepForum.com
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post #1 of 2 Old 03-17-2003, 06:59 PM Thread Starter
jeepin cj-5
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Location: frederick, MD
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73 cj compression?

I just tested my compression my my 258. My highest reading was like 110 or 115 psi and my lowest 105. I was wondering what a good psi was for a jeep. and how much it should be

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post #2 of 2 Old 03-18-2003, 08:45 AM
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110-120 for an old motor would be good. i am not sure but if i remember right it came from factory at around 140.

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