hytechb20

So I have done some research And got a few answers but I need a crystal clear answer! I spun a rod bearing on my 1997 d16y8 the head seems to be in good condition. I found someone with a 2000 d16y8 who just did a swap so I'm picking this motor up for a steal. He's selling me the longblock. From what I've seen the engine harness is different and ecu and distributor. My question is WHAT exactly will I need to do to my harness for this new d16y8 to run? New ecu? OR is it not a bad idea to just take the head off the 2000 y8 and slap it some my 97 y8? What am I in for doing this and is this an easy thing to do?

98civdx

Swap just the long block. Take all of your old parts and place them on the new engine. This way you wont need to screw with wiring, or the ECU.

Jdm03

x2

hytechb20

So use my 97 dist, intake mani, header, and the other goodies and this will be plug and play?

98civdx

Yep. You will want to repalce the manifold gaskets, and maybe the other ones sence you will be there. Also, you will need to set the ingition timing when you get it running.

LoLoCivic

iTrader: (1)

x3

Kista20

99-00 y8's have air injection in the head but I don't really see that being a problem if you use your current harness, ecu, and distributor. If it does turn out to be a problem then you'll have to also use your cyl. head

98civdx

**** i forgot about that.

but couldn't he use his old mani, and not worry about it?

Kista20

I never have but I seem to remember someone on here tapping the holes and using allen head setscrews to seal them off and using 96-98 gasket. I'd prob just use the head and intake manifold from his old one. You might could leave the head and intake on the motor and be fine, I don't know but I also don't see it being a problem. If his head is in good shape I'd prob. just swap them for good measure.

hytechb20

so will my 97 y8 intake mani not have any issues matching up to the 00 y8? i really dont want to swap my 97 head on the 00 block but if its less issues i will.

sw388

FYI the 97 is OBD-IIa and 00 is OBD-IIb...But it looks like you have bigger fish to fry with the intake mani and head swap. good luck!!!

HondaPartsHero

12100-P2M-010

Heads have same part number, I believe the air injection is just in the intake manifold not the head. Just get the intake manifold gasket for your car not the 99-00 head.

Hidenplanvew

You could shim and port your oil pump the Y8 are notorius for spinning rod bearings... They flow less oil then the Z6's do just run your old head and replace the head gasket.

94EG8

The pump does flow a little worse than the Z6, but the real cause of spun bearings is the lack of oiling holes on the Y7/Y8 cranks, they have 1 oiling hole per journal vs 2 for the Z6.

Kista20

^^ exactly right... What I would do is try to keep your oil changed at normal frequent intervals and you shouldn't have any problems, also make sure you run the correct weight 5w30 or even 10w30 is fine. I like synthetics but a lot of people say they are overkill for a stock engine but the real key is keeping it changed on time.

there ya go just swap your intake manifold over and get a new gasket... done deal.

98civdx

This is what I was thinking.

hytechb20

Yeah the air injection is on the 00 intake mani but not the head. I just got the long block and when I was unplugging all the the hoses and plugs I saw that on the 00, by where the thermostat theirs a black plastic piece that's not on my 97. Anyone know what I'm talking about? I'll post a pic after work.

Hidenplanvew

Ya, I forgot about the crank too... its been awhile since I played with the Z6 crank

HondaPartsHero

Its for air assist, just swap over housings from your old motor


http://marketplace.honda-tech.com/sh...php?p=40125599

hytechb20

Can I keep the 2000 thermostat housing and delete the assist? Looking at my 97 one it's badly corroded.

HondaPartsHero

yes

hytechb20

where does this plug/sensor go? lol

TheMechanic84

that goes into your intake...there the exact same motor just one is a obd2a the other obd2b...u can use your old distributor and alternator on the long block as well as your old harness

HondaPartsHero

hytechb20

ive got everything done just a few plugs i forgot where they go.. where on the intake? intake manifold?