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internal engine diagnosis help

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Old Jan 13, 2008 | 09:31 AM
  #1  
postman's Avatar
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From: chambersburg, PA, usa
Default internal engine diagnosis help

awhile back the old ladys 90 integra started to have a problem with overheating when sitting still for awhile, finally the motor gave lost compression between middle cylinders. i was under the impression headgasket split between cylinders. well tore the head off and from what i see not exactly what i was expecting the head and block appear to be fine visually the motoer looks old and tired though. i planned on just putting a new gasket in but now im not sure the cylinders look wet cuz i put a litlte oil in them during diagnosis stage to try and up the compression. the headgasket was still all intact no splits anywhere. any suggestions.






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Old Jan 13, 2008 | 01:05 PM
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From: chambersburg, PA, usa
Default Re: internal engine diagnosis help (postman)

bump
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Old Jan 13, 2008 | 01:34 PM
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From: San Diego, CA, US
Default Re: internal engine diagnosis help (postman)

Ok, let me start with you most likely have some warpage with the head and the block. So putting a new head gasket on really isn't going to help you.

Since you have the head off i'd have it rebuilt and decked, $120 tops. plus gasket $60

The real problem begins with the block. I still really haven't found a great way to deck the block without the obvious and long process of taking the motor out and rebuilding it. Most people i know used the honda bond on the bottom (very little) to help fill in the the .001 to .002 gaps your going to have.

The next time i run across this i plan on using a piece of wood (2 by 4) that is very straight and flat and covering it in 220 sand paper and using some autobody techinque of mist-spraying then sanding to level everything out.

PS = The only time a 3-layer metal gasket with split is under high compression. I'm betting that the car was loosing water over time.
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Old Jan 13, 2008 | 04:30 PM
  #4  
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Default Re: internal engine diagnosis help (RYNO48)

bout what i figured. think i might scrap and part her out. to me not worth putting the money in the motor.
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Old Jan 13, 2008 | 04:50 PM
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From: San Diego, CA, US
Default Re: internal engine diagnosis help (postman)

Depends how many miles you have on the car and how fond of it you are. Your only about $200 away from getting another $1000 for the car if your going to sell it. Just something to think about.
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