Hey guys so i have a 1991 dx hatchback but im relatively knew to the whole swap thing.My automatic d15b2 gave out and im want to go for something with more power like a b16 or a b20.im inclining more for a b20 because it falls under my budjet.what i dont know is what i would need in order to do a b20 swap i know im going to need the harness,ecu,axles,tranny,shift linkages,motor,tranny,computer, etc eyc..One problem is that i dont know if im obd0,obd1, or obd2.should i just look for a b20 harness?? another queastion is say i go from the d15 to a b20 would i still be able to use my radiator, and fans for the b20.

i knew these questions might be from a newb but id really like some advice or feed back.. oh byt the way im going to stick

 

You don't need the entire harness. You will just need a couple connectors from it. You will need to modify your existing harness to fit the new engine. You will need to perform a DPFI-to-MPFI conversion. You will need to do the wiring in the cabin to defeat the automatic's shifter lock.

Manual pedals for under your dash.

Modified/aftermarket shift linkage for a B series swap.

Tranny - you have some options here so do your research.

If you go with a cable operated clutch, then you need a clutch cable. It will also require a piece from a donor car that holds the cable through the firewall.
Cable-to-hydro conversion kit if you get a hydraulic clutch trans.

Axles come from an Integra and the year of Integra will depend on the intermediate shaft you decide to use on the transmission.


Your car is currently wired for OBD0 electronics. You can run any version of OBD with the correct jumper harness. OBD1 is usually the best way to go. OBD2 works, but it isn't nice for tuning and it also requires sensors to be disabled (fuel tank pressure sensor for instance) since they aren't compatible with your year car.

 

ok that make s way more sense.I really appreciate it man.THis was like gold for me today. Thank you!!!