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06-21-2010, 07:21 PM
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#1 |
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Not Yet Wild
Join Date: Jun 2010
Posts: 1
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2003 EZGO Compression at 120
Hello everyone. I have a 2003 ezgo with the pre MCI 9hp. I purchased last year off a golf course. I have added a 4 inch lift and 10" tires. No problems yet. However, after giving a complete tune-up this spring I noticed my compression was reading at 120 each cylinder. I have not noticed any performace problems or any oil consumption. Is this compression condsidered average and when should I consider a valve adjustment or any other alterations to prevent excessive engine wear?
Thanks all. |
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06-21-2010, 08:52 PM
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#2 |
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Doin' the Wild Thang
Join Date: Mar 2010
Location: Greenville, AL
Posts: 1,063
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Re: 2003 EZGO Compression at 120
I would think you would have seen a power loss at 120. 140 to 155 is pretty good, but 120 is low. I would definitely check valve lash and correct it if needed. This may help your comp. values if the lash is out.
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06-21-2010, 09:00 PM
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#3 |
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Happy Carting
 Join Date: Dec 2007
Location: Southern California
Posts: 73,408
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Re: 2003 EZGO Compression at 120
Agreed..... valve adjustment is maintenance, not repair tactics... Everybody stop what you are doing and adjust your valves, NOW! .004 Cold
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06-21-2010, 09:18 PM
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#4 | |
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Gone Wild
Join Date: Apr 2010
Location: NorthEast, Pa.
Posts: 323
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Re: 2003 EZGO Compression at 120
Quote:
Wasn't there just some talk a while back about adjusting intakes @ .004 and exhausts @ .006 or .008 , both cold settings? Reason being one heats up more than the other when it's running.  |
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06-22-2010, 04:48 AM
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#5 |
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Doin' the Wild Thang
Join Date: Mar 2010
Location: Greenville, AL
Posts: 1,063
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Re: 2003 EZGO Compression at 120
I've always stuck with .004 and had good results.
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06-22-2010, 05:03 PM
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#6 |
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Gone Wild
Join Date: Nov 2008
Location: Montgomery, AL
Posts: 1,463
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Re: 2003 EZGO Compression at 120
I adjust all at .004. I have not had any issue with them yet.
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