just did compression test
08-07-2006, 04:34 PM
#1
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just did compression test
i just got done doin a compression test on my ej1 it has the d16z6 in it and i did it from distributer(sp?) to cam gear and it goes as follows.
141
136
137
136
i know they are all pretty close. but that seems really low. the 3rd cyl jumped to about 75 real quick and then the rest of the way was normal wut does that mean? and let me know if or wut would b leakin thank you very much. o and the motor has 160,000 miles on it.
o and the input shaft bearing has been making noise for prob 5-9 thousand miles now. could that cause my car to not feel as fast or cause acceleration problems?
Modified by sohctodohc at 6:00 PM 8/7/2006
141
136
137
136
i know they are all pretty close. but that seems really low. the 3rd cyl jumped to about 75 real quick and then the rest of the way was normal wut does that mean? and let me know if or wut would b leakin thank you very much. o and the motor has 160,000 miles on it.
o and the input shaft bearing has been making noise for prob 5-9 thousand miles now. could that cause my car to not feel as fast or cause acceleration problems?
Modified by sohctodohc at 6:00 PM 8/7/2006
08-07-2006, 05:02 PM
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Re: just did compression test (sohctodohc)
As long as they are all close, then you should be ok. My b16 is 190 across the board but I'm sure the d16 should be lower.
08-07-2006, 05:07 PM
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Re: just did compression test (LSEGHATCH)
well i could of swore that gettin close to 120`s is either ur rings or ur headgasket. and i dont have the money for that **** right now. soo i just wanted to c if someone would mention that. and i dont know if this makes a diff but i have the basic i\h\e.
08-07-2006, 06:01 PM
#5
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Re: just did compression test (sohctodohc)
If you suspect worn rings, pour a teaspoon of oil in the cly and do the compression check again.
If the #s up way up, you have worn rings on your hands.
If the #s up way up, you have worn rings on your hands.
08-07-2006, 06:50 PM
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Re: just did compression test (B20 EJ6)
nope throttle was shut. ill try the oil thing. u just put oil in then tighten down tester and crank over?
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08-07-2006, 06:52 PM
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Re: just did compression test (sohctodohc)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sohctodohc »</TD></TR><TR><TD CLASS="quote">nope throttle was shut. </TD></TR></TABLE>
you are supposed to hold the gas pedal to the floor when doing this
you are supposed to hold the gas pedal to the floor when doing this
08-07-2006, 10:05 PM
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Re: just did compression test (DeadEnd9009)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DeadEnd9009 »</TD></TR><TR><TD CLASS="quote">you are supposed to hold the gas pedal to the floor when doing this</TD></TR></TABLE>
right, that will affect the readings a good amount. If the engine can't suck any air in, the compression will be lower. Also, there will be a slight difference in the readings on a warm engine vs a cold engine. Make sure it's warm, and try the test again (WOT this time). I think your engine is fine, based on what you've told us.
right, that will affect the readings a good amount. If the engine can't suck any air in, the compression will be lower. Also, there will be a slight difference in the readings on a warm engine vs a cold engine. Make sure it's warm, and try the test again (WOT this time). I think your engine is fine, based on what you've told us.
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