ekhatch

hey guys, so i've been searching around a bunch of forums for more info on a particular swap. i'm planning on doing an obd1 b18a ls swap into my 1998 obd2a civic hatch. i got a pretty good deal on the motor, so i had to jump on it. was just wondering if anyone had any links, tips, or info that would help me do this swap. thanks in advance guys!



tim

danronian

It will install just like a LS. Buy all the stuff you need before you start the swap since it makes life a lot easier. You might want to list up all the parts you have if you aren't sure if you have everything.

ProzacOverdose

There is just too much to talk about. Why don't you ask questions or give us problems you have.

ekhatch

i would ask some questios about problems, but i havent started the swap yet, still waiting for my motor to be delivered. in the mean time, could you guys help me come up with a list of ---- i need? so far this is what i got:

complete motor (including dizzy, manifolds, etc)
integ harness
axles
550 injectors (big, but i got them for free )

need to get:
tranny
shift linkage
mounts from 99-00 si
obd2a->obd1 conversion harness

thats all i can think of off the top of my head (at work). could you guys help me get a complete list, and some tips or advice, especially on wiring (im a complete noob at that ----). chime in and help a fella out guys


tim

ProzacOverdose

sounds like a good start! Keep it simple and TRUST ME....weird little ---- happens. Take your time and do things right. Even if everything goes to the crappers........once all is said and done....everything will be worth it the first dirve. UNITL....you get the itch for more speed

Use your civic wiring harness on the ls motor.
Don't use the 550cc injectors yet.....and find out if they're high/low/ph/s.

GL and ask questions!

danronian

You'll want to use your harness on your old motor to swap onto the LS, it'll make you life much easier.

Your engine won't much like those injectors if it's stock, but I guess it could be tuned to deal with them until it's turbo'd.

You'll need a throttle cable.

You may be able to use your D series alternator if you shim it, but if you can't get that to work for you, you'll need an LS alt.

Good luck and it sounds like you have a good idea of what you need.

turbozexcrxman

Go straight for the turbo....cause...dammit, they're jus built for st8 boost....Gotta luv the torque....
But a b20 is wayyyyy better...If fact i need a memo to get one...

danronian

Maybe for torque, but I haven't personally seen any turbo'd numbers to support they are as strong of blocks as an LS. To my knowledge, they are bored-out LS blocks that do make more torque, but at the expense of sleeve material. They seem to be better as the bottom for an LS-vtec setup or if you're going to sleeve it. Please correct me if I'm wrong though.

ekhatch

could you elaborate on using the civic wiring harness? i thought you just need to do this..
http://www.clubcivic.com/board/showt...08#post1905908

also, was does high/low/ph/s stand for? im not good with abbreviations :P

danronian

He means high or low impedence / peak and hold / or saturated. Figure out what car the injectors are out of, or find out the part # of them and look them up online. Some cars use resistor boxes for the injectors, but soe don't. Yours doesn't from the factory, but if those are for an OBD0 car, or a prelude/accord, they do need resistors. Either way, they should work fine on your car, you just might need to wire in some resistors, which is easy.

You will need that ecu conversion harness to run your car as obd 1, but you'll use your civic motor harness to plug onto the LS motor. You can't use the obd1 harness that is on the motor now, since the plugs won't match up with your plugs at the shock tower (your car's body/interior harness).