I've been bugging you guys a lot lately and i wanna say im grateful for all use guy's help in my previous post. I've asked a lot from you guys and you always seem to deliver without HAyST (Meaning that you guys haven't been hasty or stingy with information.

So my last thread was about fitting a d16y8 into the interior of my 98 Coupe, you recommended I take out the passenger seat w/ that you clarified that it could be a two man job to lift it and 'BINGO' you guys nailed it, the motors in my back yard now, mission accomplished...so here's the deal now

I bought the motor which was pulled from a 98 civic ex 5-speed i'll assume.

The Head on this supposed 98 civic motor is STAMPED "P2J-7" then to the far right is says 97 and i don't see anywhere on the front of the block that says 98. Maybe i need to remove the header to identify but i don't think it'll be under there.

I notice the B-series motors have 3 stamps and one of them has the last two digits of the year. How would i go about finding out if this motor is indeed a 98 civic ex motor.

I found a few links with motor head codes such as...

http://www.superhonda.com/forum/f87/...-codes-304858/
and
https://honda-tech.com/forums/showth...t=stamped+head

But no where on either of those list does it say 98 Civic Ex 5-speed on there.

ALSO...What confuses me more is that motor that's in my car which is the stock motor I'm assuming since i got it from a dealership. The stamp on my running motor says "P2J-1" and then 97 on the right side.

Is there any method to this madness at all?

 

how many vtec solenoids does this engine have?

anyway,

this was in my archives; it doesn't seem to jive with your info, but is exactly what's in that one link. i can't vouch for it because it came from the internet.

D16Y8 Head Codes:
96 EX D16Y8 Auto------P2J-2 stamped 95
97 EX D16y8 5spd-----P2J-4 stamped 97
97 EX D16Y8 Auto-----P2J-6 stamped 97
97 EX D16Y8 Auto-----P2J-7
97 EX D16Y8 5sp-----P2J-6 stamped 96
97 EX D16Y8 5pd-----P2J-4 stamped 95
98 EX D16Y8 Auto-----P2J-2
98 EX D16Y8 Auto-----P2J-5 stamped 98
99 EX D16Y8 5sp------P2J-4
99 EX D16Y8 5spd-----P2J-7 stamped 99
00 EX D16Y8 5sp------P2J-3 stamped 99

you'll know for sure if it was running with a manual transmission if it has a 2-wire IACV. no spot for an IACV on the intake mani means it had a 3-wire IACV, which means it was an auto.

 

Could have a head swap?

Edit: the tranny from the last car could have been a 5spd swap too and that it's actually an auto engine.

Never know.

 

"Builthatch" thanks for trying to reference it with me...it's still making no sense...

SpecialBrownie..Which motor do u think has a head swap....the one i just bought "p2j-7" or the one running in my car "p2j-1"? which are both claimed to be a 98 civic ex motor.

The motor has only 1 (one) v-tec solenoid.

 

i found two people on turbod16 that noted that p2j-1 showed up on their '97 y8 (manual)

then i found this in the h-t archives, which says the same thing:

 

Builthatch, Thanks for that information i've been searching as well and i've come across this list

D16Y8
96 EX D16Y8 Auto------P2J-2 stamped 95 on rs of head
97 EX D16y8 5spd-----P2J-4 --- "97" stamped on the right
97 EX D16Y8 Auto-----P2J-6 "97" stamped on rs of head
97 EX D16Y8 Auto-----P2J-7
97 EX D16Y8 5sp-----P2J-6 "96" stamped on right side
97 EX D16Y8 5pd-----P2J-4 (95 stamped on rs)
98 EX D16Y8 Auto-----P23-2
98 EX D16Y8 Auto-----P2J-5 (98 stamped on rs)
99 EX D16Y8 Auto-----P2J-1
99 EX D16Y8 5sp------P2J-4
99 EX D16Y8 5spd-----P2J-7 (99 stamped on rs)
00 EX D16Y8 5sp------P2J-3 "99" stamped on right side

in this thread.
https://honda-tech.com/forums/showth...ighlight=p2j-1

Which is even more confusing at this point.

Also, after reading that I'm curious whether my head is a 99 5-speed ex head or a 97 auto ex head.

Does it make a difference whether the head's from a Manual or an Automatic?

 

nope.

the only difference you have to worry about, period, (that i can recall) is obd2b y8s have the air injection, which doesn't matter at all if you use your obd2a intake manifold and intake manifold gasket.

and like i said, auto y8 intake manifolds don't have IACV spots on the back.

 

Also on this thread, Post number #12

https://honda-tech.com/forums/showth...ighlight=p2j-1

 

Built, i may be asking for much but you wouldn't happen to have an image of the IACV Spot on the intake's rear would you? if not ill look into my helms manual.

 

I'm also worried about the OBD2B thing as well that's why i posted in particular. I that motor in my car is off of a 97 automatic then it's an OBD1 or 2 i forget. If it's off a 99 ex 5speed it's an obd2b. now I'm curious as to what the heck the dealer did to the motor in my car.

 

hmm.

i might.

if i recall correctly, on the manual one, there would be two holes (if the IACV was missing) OR an IACV there, bolted up. on the automatic intake mani, there are no holes and no way to mount an IACV there.

and the lists we posted, i'd not pay too much attention to them because i know 100% for a fact i had an engine out of a '99 EX manual - i was friends with the dude when he bought the car new, and friends with him when he gave me his engine so i could build it for my high compression setup, as he swapped to a dohc. well, i'm looking at a picture of the SMSP header flange i had on it and the head says P2J-2, which doesn't jive at all with the lists considering is 100% was a '99 and 100% came from a manual car.

in all honesty...if it is THIS hard to figure out and we can't find a complete list, i don't think you really have to worry about it. i have been thinking, though i may be wrong, that you are concerned because of CA inspection or something?

92-95 is obd1, so no worries about that ; )

as far as i can recall, the only thing i had to worry about when putting the built '99 y8 into my '97 CX, aside from vtec wiring, knock sensor wiring and the rest of the stuff needed when putting a y8 into a car meant for a y7, was making sure i used an intake mani that blocked the air injection holes on the head (which i used a skunk intake mani).

the only difference that i can recall between 2a and 2b aside from said air injection holes on the head will be the wiring harness going away from the engine - nothing you have to worry about.

 

Ok my friend that's a load of help from you and man do i appreciate it. So I dipped into the helms manual and i found out what to look for on the IACV as you mentioned the two holes. In my car the IACV is there on the P2J-1 and the motor i just bought in the backyard "P2J-7" Doesnt have an IACV nor does it have the two holes for it either...

This indeed makes me a bit nervous, but tell me

If i put my 5-speed intake manifold on the p2j-7 auto motor would i still be able to put a 5-speed tranny on it and run it like a normal 5-speed motor or would there be difficulties with that?

 

Yes my main concern is being able to smog it and pass if anything shady went down which in l.a. it's ridiculous.

 

Also i have the manual tranny and basically everything manual for a d16y8. Is there anything different on the internals of an automatic d16y8 that differs from a manual one which wouldnt allow me to just plug a 5-speed tranny/flywheel/clutch and intake manifold w/iacv to it and run it properly?

 

nope. it's been a while, but the only thing i can think of is the intake manifold, iacv placement, the iacv wiring, and the throttle bodies between the manual and auto. that's all i can recall being different.

 

Builthatch, my names anthony and you've been a crazy great deal of help to me tonight my man. without sounded all mushy, i gotta say, you put the "Tech" in honda-tech. thank you so much my friend. if all this doesn't blow over and work out. ill just have to call that guy back and get the 99 motor he had and hope that ones a manual. I'm confident that this will all work out and if i swap the intake manifold and the wires for it.

I think the only thing that's on the brain right now is the transmission curiosity. I know automatic's have a torque converter. I'm wondering if the automatic transmission itself is the only thing making the car run as an automatic and nothing that's actually on the motor itself. Will i be able to just put a clutch and flywheel onto the motor or is there a set up on the transmission area that will only fit a torque converter?

 

Any thoughts on the ECU, would i need to run an auto ecu?

 

if you take a manual intake manifold and throttle body, and put it on the y8 engine that came out of the automatic, you'll have the same exact thing as a manual y8.

the transmissions are totally separate and are interchangeable. you can put an auto or manual on any y8, it doesn't matter.

you can run a manual ecu as long as you swap the intake manifold, TB and transmission.

glad i could help, Anthony. it's been a long time since i've had to deal with this stuff - i haven't had a single cam since 2007. if anyone has anything to add or correct please step in.

 

Thank so much, i can go to sleep at piece with the 450 dollar purchase tonight! Thanks again my friend. You're the real deal!

 

I've HEARD that Auto heads aren't made as well.

 

 

If you're doing a tranny swap, you also have to do pedal swaps (of course) and to do it right, wire up the clutch switch and crap. Then there's some pin swapping involved. Easy enough though so don't worry.

 

BH, does the face mean take with a grain of salt or sarcasm? Haha

 

i think his car is already manual, and the engine he received (he thinks) is from an automatic.

face means i heard the same thing!!! haha

 

Ah.

Ha!