ok i'm confused about if swapping out my H23A1 for a H22A1 is it a direct swap or not.......... 93 prelude Si............ thanks for any help

 

It should be a direct swap...and i i am not mistaken...your wiring harness should have the VTEC wire already in it.
Anyone else know if this is correct??

 

im interested in doing this swap myself, i have the 93 si w/ 4WS that i just bought when my accord got flooded and i need to know if this swap can easily be done in 1 weekend. p.s. im going to be swapping auto to auto