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b18a & b18b different?

Old 11-Aug-2002, 04:58 PM
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b18a & b18b different?

what is the difference between b18a and b18b motors? they both seem the same to me. is it just ecu software? TIA
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Old 11-Aug-2002, 06:32 PM
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the b18b's have more torque
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Old 11-Aug-2002, 07:05 PM
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Don't forget the b16 has more ponies and VTEC, whereas the b18 has no VTEC.
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Old 11-Aug-2002, 07:16 PM
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Originally posted by 90hatchsi
Don't forget the b16 has more ponies and VTEC, whereas the b18 has no VTEC.
dude...they are talking about the b18a and b18b
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Old 11-Aug-2002, 09:07 PM
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Originally posted by d16z6 power
the b18b's have more torque
But it's not a big difference where you'd actually "feel" it. Probably 2-5 pound feet of tourque difference.
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Old 11-Aug-2002, 11:40 PM
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B18A is from 1990-1993
B18B is from 1994 +

Supposedly the B18B head has better flow and slightly better cams. The manifold looks a little better, possibly better flowing too.

Other than those I believe they're pretty much the same
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Old 12-Aug-2002, 12:07 AM
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thanks. i was actually talking about physical similarities. heads, pistons, etc
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Old 12-Aug-2002, 04:40 PM
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Jugglez you're the best. i owe you a coffee or beer
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Old 12-Aug-2002, 05:51 PM
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Originally posted by BellaRSport
Jugglez you're the best. i owe you a coffee or beer
jus bring him to WAGG
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Old 12-Aug-2002, 09:16 PM
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Originally posted by [1sL0CiviC]


dude...they are talking about the b18a and b18b
Ooops I need glasses. hehe
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Old 12-Aug-2002, 09:33 PM
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Originally posted by 90hatchsi


Ooops I need glasses. hehe
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Old 13-Aug-2002, 07:34 PM
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actually i'm might get a PnP b18a head for a b20b block and be running the b20b ecu. looking at a setup that includes short ram, Skunk2 intake man, DC Sports 4-2-1, twinloop style muffler, AEM fpr and AEM fuel rail. then i might look into an ecu upgrade. just gotta figure if i want to run b20b or b18a cams
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