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difference between B16a2 and b16a3??

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Old Sep 2, 2003 | 02:04 PM
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Default difference between B16a2 and b16a3??

Whats the difference between a2 and a3?

I know that the a3 came in 94-95 Del Sol Vtec, and a2 came in 92+ civic and 95+ delsol..and that the a3 have got 170hp, and a2 have got 160hp..

But whats the difference?
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Old Sep 2, 2003 | 03:32 PM
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Compression Ratio
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Old Sep 3, 2003 | 05:25 AM
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Jdm b16a2 is obd1
usdm or jdm b16a3 is obd2

b16a2=92-95 jdm civic
b16a3=96-97 usdm delsol,99-00 jdm or usdm civic si

I'm not 100% sure if this is correct but you may want to check out the hybrid page. http://tech.hybridgarage.com
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Old Sep 3, 2003 | 12:47 PM
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the japanese motors don't have numbers after the letters. and im almost positive the a3 and a2 have the same amount of power. my civic si has a b16a2. the del sol vtec's have a b16a3.
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Old Sep 3, 2003 | 05:13 PM
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Originally posted by spooncivicb16b
the japanese motors don't have numbers after the letters. and im almost positive the a3 and a2 have the same amount of power. my civic si has a b16a2. the del sol vtec's have a b16a3.
that's it....the a2 was in the 99-00 si. the a3 was in the sol.
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Old Sep 3, 2003 | 05:26 PM
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b16a2 = 99-00 usdm civic si obd2
b16a3 = 94-95 usdm delsol obd1

not sure about 96-97 delsols, but all jdm b16a's dont have #'s after them.
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Old Sep 3, 2003 | 06:28 PM
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Originally posted by hondajeff
Jdm b16a2 is obd1
usdm or jdm b16a3 is obd2

b16a2=92-95 jdm civic
b16a3=96-97 usdm delsol,99-00 jdm or usdm civic si

I'm not 100% sure if this is correct but you may want to check out the hybrid page. http://tech.hybridgarage.com


JDM motors were just B16A. you can only tell the difference in generation by transmission and OBD.


B16A3 was found only in USDM Del Sol VTEC (obd 1)

B16A2 was found only in USDM Civic Si (obd 2)
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Old Sep 3, 2003 | 06:44 PM
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The b16a3 from the usdm delsol's is obd 1 but the same motor in the 96-97 delsol's was changed to obd 2. If putting the motor into a 92-95 civic you want to stick with the obd 1,anything newer,the obd 2.
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