Headman

I have started my first civic project. I have never been involved with small cars I am a product of the 60's and was all about V8 chevy's I traded for a 93 civic with a D15B7 motor and automatic tranny. discovered that head had a cracked valve. I located a P08-4 which I think is a 93 model Z6 head. I installed the head onto my motor and have discovered that the distribitor bolt holes will not align with the swapped head. I need to know what distribitor I need to get to work and will it require cut and splice ? Next I was told to install the head using my stock cam gear from the old head. I have done that, was that the correct thing to do? The casting on old head was PM9-1. Last question is I am told that I can just hook up the vtec solenoid to 12 v and not switch computer and all will be fine. Sounds a little shady to me so I am asking you guys who have done these things to give a old man some info. Anything you can offer I sure will appricate. If all goes well heck I may be trying some more of these. Who knows one day you may pull up beside some old grandpa at the traffic light and when the light turns green you may get dusted by a old geezer. lol...

trustdestruction

You need the D16Z6 distributor, along with the D16Z6 spark plug wires. D16Z6 spark plugs are recommended. (NGK ZFR5J-11). There is no cutting and splicing involved with the distributor.

I've never heard of anyone doing that, but I guess it would work, as long as you use a timing belt made for D15B7 since you're using the D15B7 cam gear.
Most people just leave the D16Z6 cam gear on the D16Z6 head and use a D16Z6 timing belt.


Nope, you need to get the P28 ECU, and either get the d16z6 engine wiring harness or run a wire from the VTEC solenoid and run it to pin A4 on the ECU harness. There should be 3 (i think) wires coming off the VTEC solenoid. 1 is oil pressure switch, other is VTEC switch, and the other is a ground. Ground the ground, and then splice the other 2 into one wire and run that wire to pin A4 on the ECU.

or use this DIY:
http://hondaswap.com/general-tech-ar...re-vtec-40811/

Headman

I do appricate the help with my problem. I have been told by a local guy who programs ecu's that he can take my po6 that is in the car and chip it and I will just have to tie a wire in for the vtec. I am new and have no idea but he says he has done 100's and stands behind it. Does this sound right to you guys with experiance?

trustdestruction

Yes, it can be done. P28's are starting to get somewhat difficult to come by because everyone wants one, so many tuning companies who chip ECUs often convert other ECUs to work just like a P28. The result is exactly the same as a P28.

Headman

Thanks for the input. I am going to send mine to him this weekend to get done.

trustdestruction

Oh, and once you get it all running and all, if your timing belt makes a whirring noise in any RPMs, you'll probably need to get the D16Z6 timing belt and cam gear. I still think though that what you did will be fine.

94EG8

You need a D16Z6 timing belt. don't forget to remove the oil jet between cylinders 2 & 3 or you will not have vtec.

trustdestruction

he said he was using a D15B7 cam gear though. Surely you cannot use a D16Z6 timing belt with a D15B7 cam gear.

turbostd

z6 and b7 cam gears are the same you need a d16y cam gear to correct a half tooth timing difference caused by the differences in deck heights between the z6 and b7

trustdestruction

Yea, you're right. It actually seems like I knew that but didn't think about it.

i've never heard of that.
any mini-me write up for a D15B7/D16Z6 i've ever seen said that you use the D16Z6 cam, D15B7 complete block, and a D16Z6 timing belt.

What you said though can be entirely possible but you'd have to use a different timing belt than D16Z6.

Headman

OK Thanks!! I will replace that this tonight, I have bought a used distribitor off ebay today and I have my fingers crossed it will be ok. So I will get the timing belt change over the weekend. I am having the ecu chipped this weekend so hopefully next week I will be taking a test run and then from there doing some suspension and exhaust things. I do thank all you guys for the advice, This Honda stuff is new to a old man. But I am enjoying the playing around...

NOv8IV

I got my b7 distributor to work when I did my mini-me several years ago. I "tabs" that u bolt the distributor to the head don't line up right, so I just cut the ends out and made it like a U or C shape. It was a bit ghetto but worked until my z6 distributor came in. I'm not suggesting that YOU do this, I'm just letting you and others know that it can and will work. However, it will only be bolted to the head with 2 bolts - no biggie.

have fun!

Jun Villaruz

I have a 95 civic dx d15b7 transmission but was swapped with a d16y7 head and the ecu is p06. I believe you can chip the p06 to convert it to vtec. anyway, I just found a d16z6 and will swap it there since i snapped my rod in my y7.

But you should be getting higher compressions than the whole z6 long block since you have the d15 short block.. Higher compression means more hp, high performance and would more than likely require high octane gasoline. But be more careful when boosting 'coz it might knock due to pressured combustions or getting way too fast pistons... But on stock internals, you be fine in at least 5 to 9.

Jun Villaruz

Sorry, what is oil jet?? It has anything to do with the vtec?

Jda9

What harness would I need for doing a mini swap?

Former User

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