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Compression ratio on a stock mini me??

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Old 10-24-2001, 09:12 AM
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Default Compression ratio on a stock mini me??

Just asking for a friend that has a dx but want some power out of it. Do you guys know the compression ratio on a basic mini me swap? just dx bottom w/ all the dx internals w/ ex head? thanks
Old 10-24-2001, 10:47 AM
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Default Re: Compression ratio on a stock mini me?? (civicnightracer)

not sure on the exact ratio...but it should be close to stock....somewhere in the 9.4 range.
Old 10-24-2001, 02:34 PM
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Default Re: Compression ratio on a stock mini me?? (DragIIcivic)

with the d15y8 block not decked and a properly compressed .043 head gasket compression will be approx 10.2- 10.3
Old 10-24-2001, 02:39 PM
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Default Re: Compression ratio on a stock mini me?? (Damian)

why so much higher? the D15 has lower compression than the vtec, and the vtec has bigger combustion chambers, if anything I would expect a drop in compression.
Old 10-24-2001, 02:40 PM
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Default Re: Compression ratio on a stock mini me?? (Damian)

wait that is with the d16z6 head i dunno what head is on the ex
Old 10-24-2001, 02:41 PM
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Default Re: Compression ratio on a stock mini me?? (Damian)

yeah, that's the same head we are talking about.

I don't claim to be right, but the physics of it seem wierd.
Old 10-24-2001, 02:42 PM
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Default Re: Compression ratio on a stock mini me?? (DragIIcivic)

the piston that come in the shorter stroke d15 have a higher deck height than the longer stroke d16
Old 10-24-2001, 02:45 PM
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Default Re: Compression ratio on a stock mini me?? (Damian)

the piston that come in the shorter stroke d15 have a higher deck height than the longer stroke d16
ahh That makes much sense...thank you
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