Ej1_Lipe

I got this head off a guy on Craigslist. Took it to the machine shop and everything was good. The thing is I have no idea what kind of head it is. It has a vtec solenoid. The solenoid is smaller than the one on my old head but the connections are all the same. Please help me identify it. It says p28 on the cam gear side and j7 on the dizzy side. I feel like its missing something on top??









Any input greatly appreciated.

Thanks

97dssi

I will say its z6 head... because you said p28. so thats what d16z6 uses p28 ecu. check what year is it.. how to find out its right above of exhaust manifold you will see 4 different stamps so look at the first stamp


correct me if im wrong.

hondamark35

my first thought was Z6 as well, just from the look of the valve train. but i think it's a 96-98 Y8 because of the coolant port shape on the intake side. the Z6 has an irregular square shaped port while the Y8 has a round port. 96-98 because it hasn't go the "air injection" area or whatever that was for the 99-00.

Ej1_Lipe

It says p2j-7 and their is 96 above the first exhaust port.

nub

Dead give away, it has roller rockers. Y5

builthatch

speedooo

d16y5

hondamark35

good call, didn't even look for that

Zen Chameleon

Yeah The head code on the Z6 head I just got says P08-5. So it looks like you do have a Y5

Oh and the V-Tec has four ports one with the screen

Ej1_Lipe

Is this a good head to use on my d16z6 block that im boosting??

my99ekcoupe

it's vtec-e. made for economy not speed

94EG8

Its either a Z1 or a Y5, its vtec-e whatever it is.

apexi_rsx

y5 head it has roller rockers

94EG8

Z1s had roller rockers as well. Seeing as how I have a complete Z1 out of a VX sitting outside right now i'll check the head code tommorrow when its light and see what it says.

Edit, never noticed the P2J-7 part or the '96 date stamp, definately a Y5.

noz79

according to this thread its a y8 automatic
https://honda-tech.com/forums/tech-misc-15/d-series-head-codes-786093/

94EG8

Its not a Y8, its got roller rockers.

hondamark35

it wouldn't surprise me if the head castings for the Y8 auto and the Y5 are the same. the major difference between the two motors is the valve train (cam profile, rockers...) the addition of an EGR system and the exhaust. that's why noticing the roller rockers was so important.

slamtrack

yes i can tell you because i am looking at a identical one right now that is a whats called a V-tecE there are roller rockers and no 3rd cam profile there are just 2 intake valves open and when vtec kicks in it opens all 16 valves 1.6y5... sry bud