Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Compression Ratio of 1995 EX D16 vtec

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Old Mar 17, 2003 | 02:20 PM
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Default Compression Ratio of 1995 EX D16 vtec

can someone tell me the compression ratio of a stock D16 VTEC motor in a 95 civic EX?
thanks.
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Old Mar 17, 2003 | 03:06 PM
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Default Re: Compression Ratio of 1995 EX D16 vtec (AEM R&D)

9.2:1

Good for boost, leaves much to desire for all-motor duty.

Add some 1988-1989 Integra P29 pistons and have high CR for some serious all-motor power:



Your stock pistons have a dome of -10.1cc which means it has a dish rather than a real dome.

The piston pictured has a dome of +7.2cc which bumps CR way up and that means more whp and torque, but you'll need higher octane gas of course.

Play with these two sites for some neato results in CR for the SOHC:

Specs:

http://www.muller.net/sonny/crx/pistons/crchart.gif

And a CR calculator to punch those numbers into:

http://www.c-speedracing.com/howto/c...c/compcalc.php
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