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Hello my name is John, I have a 92 Prelude Si-R (proof) running a USDM OBD2 Non-VTEC H23 head on a OBD1 H23 bottom end. The problem I am facing now is I did not replace the oil pump from the old bottom end I swapped for the JDM one. All wiring is OBD2; I have a OBD1 to OBD2 jumper harness at the ECU. Does anyone know a trick to bypass the crank sensor without having to replace the oil pump in my block?

Thank for your time.
 

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i think you have to also use the distributor from the h23; which I have. You also have to use another jumper harness from the CPK sensors to the distributor. I have a fifth gen. Prelude and tried to do a similar swap. I don't know what your distributor looks like or the specs but im pretty sure thats what you have to do.

my suggestion (which I did) SWAP out that oil pump and OBD II that sucka.

holla at me
 
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