10-28-2006, 06:39 PM
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CC Member
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Join Date: Jun 2005
Location: nor cal,
ca
Cobra Make, Engine: ERA
Posts: 183
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Not Ranked
strange compression readings
my new 428(2k miles) has been idleing a bit strange for a while now.
i conducted a compression check and here are the readings.
cylinders 1-4 180psi
cylinders
5) 165 dry 175 wet
6) 175
7) 165
8) 165.
i only tested number 5 with a leak down. will do 6-7-8 with iol later. but i expect the same reading as #5.
why the lower reading on drivers side? what should new cylinders read?
my mech said he is going to r/r engine and look into it. will also change cam from 108 to 110. anyone have any input???
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