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4G15 compression service limit?
http://4g61t.org/forum/viewtopic.php?f=17&t=37599
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Author:  trooper [ Wed Mar 13, 2013 4:08 pm ]
Post subject:  4G15 compression service limit?

Anyone know this off hand? Searching for it but cant seem to find it. 4G15 12v from a 92 summit.

Author:  Flying Eagle [ Wed Mar 13, 2013 9:33 pm ]
Post subject:  Re: 4G15 compression service limit?

What are your numbers at per cylinder?

Memory tells me I hit 180-190's on my old rebuild due to the compression ratio and high vacuum cam.

Checked the FSM? Pretty sure it is listed there.

Author:  Flying Eagle [ Wed Mar 13, 2013 9:42 pm ]
Post subject:  Re: 4G15 compression service limit?

137 psi and less than 14 psi between each cylinder.
Per the FSM.
http://www.lilevo.com/mirage/89%20Colt% ... Engine.pdf
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