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B20 confusion

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Old 07-12-2007, 09:33 PM
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Default B20 confusion

K, I've been digging through archived content most of the night and I can't seem to get a clear answer. I am looking at a B20 "jdm" motor, it has a knock sensor, is this a clear indication of the high comp 9.6 engine?
Old 07-12-2007, 10:34 PM
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Default Re: B20 confusion (Kingcobra33)

only the b20z is the high comp version
Old 07-13-2007, 12:03 AM
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Default Re: B20 confusion (JJSpecTuning)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JJSpecTuning &raquo;</TD></TR><TR><TD CLASS="quote">only the b20z is the high comp version</TD></TR></TABLE>

according to this.... https://honda-tech.com/zerothread?id=460954


it's not just the Z

does anyone really know?
Old 07-13-2007, 12:13 AM
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Default Re: B20 confusion (Kingcobra33)

All 99-01 B20's are the 9.6:1 comp. just find out what year it is and you'll have your answer.
Old 07-16-2007, 05:20 PM
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Default Re: B20 confusion (dannis.)

the 99-2000 jdm spec b20b's are marked "b20b4" on the engine and PHK on the intake manifold and on top of the pistons.
the 99-2000 usdm b20z is the same as the jdm b20b4...
both have a 9.6:1 CR.
97-98 USDM and JDM spec motors have 8.8:1 CR and are not marked PHK

https://honda-tech.com/zero...age=1
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