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D15b1 & D15b2

Old 12-24-2006, 08:54 PM
Thread Starter
Join Date: Dec 2006
Posts: 2
Default D15b1 & D15b2

First of all, hi everyone. I'm new here.

I have a '90 civic with D15b1 4spd manualin need of a motor.
I got D15b2 block with all internal (needs to be assembled) but the head.
Could I use D15b1 head?
Also, the crank of the D15b2 doesn't look good so I'm thinking about using 15b1 crank.
Is it OK?

What's the difference between 15b1 & b2?

Anything I need to know before I start build the motor?

I would appreciate your help.

Old 12-24-2006, 10:43 PM
Senior Member
Join Date: Sep 2005
Posts: 1,930
Default RE: D15b1 & D15b2

All components are compatible between those two. Just make sure you have the right ECU for the right head.
Old 12-26-2006, 10:23 PM
Thread Starter
Join Date: Dec 2006
Posts: 2
Default RE: D15b1 & D15b2

Thank you for the information.

Does anyone know where I can get build spec (torque, etc.)?

I would appreciate your help.
Old 12-28-2006, 12:50 PM
HCF Member
Join Date: Mar 2005
Location: NC
Posts: 1,801
Default RE: D15b1 & D15b2

dont even bother with the ecu ......dual point sucks major *****. convert the car to mpfi and you will notice a very nice gain across the powerband. and as far as tq specs i would recomend buying a repair manual for that. but you can always contact honda for that info as well.
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