Do I really need a new ECU for my Mini-Me?
 

Hey guys I have been learning a lot recently about a possible Mini-Me swap on my D15B7. I have had some suggest a P28 ECU swap to match my chosen cylinder head off a D16Z6. From another source I received an email:

"just run your stock distributor and an RPM switch, itll cost too much to rewire your car and run a new P28 ecu*(120-150) and distributor( ALOT New, used aroudn 80$) and OBD I conversion harness ( 125ish)"

What are you guys' thoughts on this? (Especially you, Jeff, since you've been helping me with all my questions over the last 48 hours) I am looking to do an affordable Mini-Me, but not to the point that I am looking to cut any significant corners. I am not sure how many chances I am willing to take with 11:1 compression.

Re:Do I really need a new ECU for my Mini-Me?
 

the hack way.. "rpm activated switch" is ok, but remember you will not get the correct fuel/spark maps that the vtec head uses. Especially for the Mini-me that will be a slight of a bastard to tune correctly (to make any power that is)

If you dont want to buy the p28 ecu, do this, buy a cheap vtec controller Fields/AFC VAFC and use that to activate vtec, these little controllers will also allow you to change fuel settings throughout the rpm range. It will give you some tunning ability. Best way to tune is on the dyno with one of these, because the ass dyno wont show much.

I normally recommend this method to 4g civic/crx owners, since its a pain in the ass to do a obdo-obd1 swap for the p28 ecu. In your case, your car is already pretty much setup for it (being obd1)

Jeff Frank

Re:Do I really need a new ECU for my Mini-Me?
 

according to my "other source," I may need an OBD1 connecting harness. Are you saying that I wouldn't need that, and that the P28 ECU is a straight-forward fit for my car?
Also, does the VAFC go on the interior of the car like the Apexi I once saw? It would be nice if my could ride in my car and not say something like "what's that expensive-looking thing??" because then I would have to come clean on my VTEC swap.

Re:Do I really need a new ECU for my Mini-Me?
 

i assumed you had a CRX, not a "eg" civic, if you have a 92+ body style you just need to get a P28 ECU and plug it right in, and i think wire 1 or 2 wires to VTEC solenoid etcc. very simple if its an EG civic.

Re:Do I really need a new ECU for my Mini-Me?
 

ok thanx man, sorry for doubting your knowledge :)

Re:Do I really need a new ECU for my Mini-Me?
 

what is a mini - me ???

Re:Do I really need a new ECU for my Mini-Me?
 

never mind i found out

Re:Do I really need a new ECU for my Mini-Me?
 

Jeff, (or anyone else, but he seems to be the only one responding), do I definitely need a new distributor on a Mini-Me setup on my D15B7, or is it simply recommended? I am almost certain of doing the P28 swap, if it maks a difference.

Re:Do I really need a new ECU for my Mini-Me?
 

If you upgrade to OBD1 then you should be able to use the Dizzy that you want. (I think that is, I don’t see why not.)

Re:Do I really need a new ECU for my Mini-Me?
 

just get a 89-91 si distributor, The ONLY thing you are going to have to do is cut your Distributor up a little bit to get it to fit on the D16Z6 Head NOW you HAVE to use the stock D16A6 Dist. with the 88-91 Si ECU or it will not work. Anymore questions? Feel free to ask.