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Old 04 Jul 2011, 02:31 pm
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Default what is considered good compression on a 25 year old honda?

i have a 1986 Honda Prelude si, was just wandering what everyone considered good compression for a car of it's age?
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Old 04 Jul 2011, 02:46 pm
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As long as it's at least 100 PSI and reasonably even on all cylinders it should be ok.
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Old 04 Jul 2011, 03:01 pm
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The same as in a 1 day old Honda. You don't get to have lower compression because you're old.

It should be over 110 or so, but readings vary a lot depending on how you do the test. It's most important that you get close to the same reading in all cylinders. Within 10% of each other.
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Old 04 Jul 2011, 03:16 pm
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I lick 2 see about no lower than 95psi & that is very low , about 130psi if the car has a lot of miles in it ( i dont know was not posted & being a honda , if it dont smoke out the exhaust and oil dont use a lot of oil , fix oil leaks if ot has any ( hope in dont thats a big plus ) & does the car pass emissions it ok,
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