Overheating/compression question/problem

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Old Jul 14, 2007 | 11:24 AM
  #1  
juanb's Avatar
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From: lawrenceville, ga, 30043
Default Overheating/compression question/problem

My car started with overheating problems around 2 months ago. At first i was running a stock radiator and thought that was my problem. I ended up borrowing a fluidyne from a friend and that kind of helped with the overheating, but it would still overheat at times, just randomly.

I ended up buying my own radiator and replaced the thermostat problem continued. So i thought maybe there is something cloging the system (maybe heater core). I looped the heated hoses to bypass the heater core and same problem.

On a cold motor compression quickly rises to 180 all across, on a hot motor compression stuggles, but gets to 180.

My questions, Maybe headgasket? Also is compression on a warm motor SUPPOSED to be higher then a cold motor?

Any help or advise is appreciated.
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Old Jul 14, 2007 | 11:47 AM
  #2  
RTW DC2R's Avatar
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From: Hollywood Babylon
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if you turn the heat on, does it stop overheating?
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Old Jul 14, 2007 | 12:23 PM
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Default Re: Overheating/compression question/problem (juanb)

compression should be higher on a warm motor then a cold motor. also on the same note, compression should be checked with the motor at operating temp.

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Old Jul 14, 2007 | 05:23 PM
  #4  
juanb's Avatar
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From: lawrenceville, ga, 30043
Default Re: (RTW DC2R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RTW DC2R &raquo;</TD></TR><TR><TD CLASS="quote">if you turn the heat on, does it stop overheating?</TD></TR></TABLE>

yes

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mykizism &raquo;</TD></TR><TR><TD CLASS="quote">compression should be higher on a warm motor then a cold motor. also on the same note, compression should be checked with the motor at operating temp.

</TD></TR></TABLE>

compression was checked at operating temp.
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Old Jul 15, 2007 | 03:53 PM
  #5  
juanb's Avatar
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From: lawrenceville, ga, 30043
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no ideas?
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Old Jul 16, 2007 | 08:45 AM
  #6  
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From: st paul, mn
Default Re: (juanb)

you have to increase the airflow to your rad. or your fan is on backwards
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