I did a very similar swap, except with turbo motors. You will have an issue with the injectors. I just made a bracket to hold the injectors in the B23 holes and they worked fine. A trip to the hardware store for different o rings will be required. There are also not enough holes in the B23 for all the Kjet sensors. I got by with the minimum. The CIS temp sensor, And the cold start switch was clamped to a heater tube on the back of the engine. I then put a switch on the dash for the Lamda temp switch. When the engine was cold I just flipped the switch and left it on for a couple of minutes. Now that I think of it the intake manifold is different with the NA models making it hard to use the K jet.
Are you able to swap the FI along with the engine?
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