ZC what!?

9814 Views 31 Replies 20 Participants Last post by kulo, Feb 16, 2007

Chelsie

Discussion Starter · Dec 30, 2006

I'm sorry if I sound like too much of a noob, but what is a "ZC?" Is this some honda lingo I should know? I assume it has something to do with a certain engine? What do the letters mean? Is it like VTEC?

Sorry to come right of the box asking questions.

:IHI: That little guy is sooooooo cute! LOL

1 - 20 of 32 Posts

91HB-D15b2

· #2 · Dec 30, 2006

theres a few of ZC's..They are JDM motors that came in civics in japan. You have the DOHC ZC, SOHC non vtec ZC and a SOHC vtec ZC. All producing around the same amount of HP

Chelsie

Discussion Starter · #3 · Dec 31, 2006

So is a ZC a D series if it's sohc? or is it just a zc? All these letters are making my head hurt!lol Oh, and now what is a z6? I saw that on here too. Seriously, you guys are giving me too much to learn right now.

wam-crx

· #4 · Dec 31, 2006

the zc's are jdm motors. i would call the d's. they will bolt up to d tranny's and drop in d car's w/ no motor mount changes. the z-6 is a d16z6. a sohc 1.6 v-tec. hope that helps

blue92HB

· #5 · Dec 31, 2006

D series include almost all single cam engines + only one dual cam engine (ZC)
B series include almost all twin cam engines
F series are mainly out of older Accords, and are single cam
H series are twin cam engines, usually larger displacement
K series are the newer twin cam engines to replace the B's and H's
Also a small note engines that came from Japan will not have a number on the end of the code.
Ex. D15B = JDM D15B7 = USDM
so a z6 is an USDM engine and a ZC is MAINLY a JDM engine (they did come in old Integra's like 87 or something like that and I beleive they are coded
D16A2)

jimmyb34

· #6 · Dec 31, 2006

zcs have different variants.. basically they are a jdm equivalent of a usdm motor..
the "z6" is also known as the d16z6... came in 92-95 sohc vtec equipped vehicles

macoolit

· #7 · Jan 5, 2007

im a noobie too, and will be having this engine soon this january. Maybe this can help

http://fourthgenhatch.net/zc.html#ZC

ichijoe

· #8 · Jan 7, 2007

2

Double Cam D-series motor only sold in Japan. Many have been imported to the US over the last decade. The motor designation is simply "ZC" and stamped on the block. As far as the Single Cam ZC, you got me.

please ignore the the grime in this close-up... my cam angle sensor has leaked oil, dammit.

Top view of the double cam motor

See less See more

Green 91

· #9 · Jan 9, 2007

D16a8/a9 are DOHC Ds also. sold in the UK and some canada.

almost the same as DOHC ZCs

ugly86integra

· #10 · Jan 9, 2007

Chelsie said:
I'm sorry if I sound like too much of a noob, but what is a "ZC?" Is this some honda lingo I should know? I assume it has something to do with a certain engine? What do the letters mean? Is it like VTEC?

Sorry to come right of the box asking questions.

:IHI: That little guy is sooooooo cute! LOL

it's cool to see chicks that are into cars !!!!!
we have some pretty fast ones around here!

JDMEF7

· #11 · Jan 10, 2007

Chelsie said:
I'm sorry if I sound like too much of a noob, but what is a "ZC?" Is this some honda lingo I should know? I assume it has something to do with a certain engine? What do the letters mean? Is it like VTEC?

Chelsie,
ZC's are only ever d-series engines and are only found in japanese assembled vehicles. I dont think anyone knows for sure why they stamped them ZC instead of D-- or what ZC stands for.
here's a post I put on www.thezcr.com which might help you with the dohc efi only varients of the ZC. (the only varients that interest me, somone else might be able to fill you in on the sohc and carbied versions.)

doo0T!doo0T! said:
1st Gen
Identified by:
External coil, small dizzy, dual butterfly TB, cam cover bolts on top, brown/gold cam cover. Large cam pullys.
PG6B pistons, non-pent roof combustion chamber.
As a ZC appeared in AV integra Si and E-AT civic/crx Si. Commonly produced at the time but now over 20 years old and getting harder to find.
D-series version D16a1 86-87

2nd Gen
Identified by:
Internal coil, large dizzy, single butterfly TB mounted on slight angle forward, bolts on top of cam cover, black cam cover, large cam pullies.
PM7 pistons, Pent roof combustion chamber.
As a ZC appeared in facelift AV bodied integra Si, rarest ZC only produced for less than one year.
D-series version D16a1 88 - 89

3rd Gen
Identified by:
Internal coil, large dizzy, single butterfly TB. Black cam cover. Cam cover bolts on the sides. Small cam pullies. Inlet Manifold stamped PM7.
PM7/P29 pistons, Pent roof combustion chamber.
As a ZC appeared in EF3 civic and EF7 crx, did not appear in an integra body. Most commonly produced ZC, manufactured from end of 87 through to early '91
D-series version D16a8/9 (euro civic Si)

4th Gen
Identified by:
Internal coil. OBD1 system (grey plug). No cam angle sensor on exhaust cam, now located in Dizzy. Rubber plug where cam angle sensor would mount. Black cam cover. No PGM-EFi plate on the inlet manifold, replaced with three ribs instead. P29 stamped on inlet manifold. MAP sensor on TB.
PM7/P29 pistons, pent roof combustion chamber.
As a ZC only appeared in EG5 civic bodies, no integra or CRX received this engine. Reasonably common produced from 92 to 94. (20th Anniversary edition & japanese car of the year)
D-series version D16a8/9 (Euro civic Si & NZ civic Gti)

s_18

· #12 · Jan 10, 2007

They came in just about every CRX here in Norway (EDM), as either D16Z5 or D16A8/9 (non-cat/cat I think).
So they're really not that rare over here.

popoff

· #13 · Jan 10, 2007

hehehe d16z5 is the tru zc (europ) (cat) (34teeth) and d16a8,a9 (non cat) (38 teeth camgear)

ugly86integra

· #14 · Jan 10, 2007

popoff said:
hehehe d16z5 is the tru zc (europ) (cat) (34teeth) and d16a8,a9 (non cat) (38 teeth camgear)

wow, i've never seen a 38 tooth ZC.
just 34 tooth ZC and 40 tooth D16a1.
what size is the crank snout or inner diam. of the crank sproket???

jlicrx

· #15 · Jan 10, 2007

ugly86integra said:
wow, i've never seen a 38 tooth ZC.
just 34 tooth ZC and 40 tooth D16a1.
what size is the crank snout or inner diam. of the crank sproket???

neither have i - i have seen D16A8/D16A9s and the ones i have seen were 34 teeth, just like a DOHC ZC - the only 38 tooth gears i know of are the SOHC D-series engines - 86-89 D16A1 and 85-87 JDM DOHC ZCs have 40 tooth gears

SOHCpower

· #16 · Jan 11, 2007

there are DOHC F-Series too....

Green 91

· #17 · Jan 11, 2007

SOHCpower said:
there are DOHC F-Series too....

yeah but where talking D series ZC DOHC
there are also DOHC B,H,K,J series also.

popoff

· #18 · Jan 14, 2007

ugly86integra said:
wow, i've never seen a 38 tooth ZC.
just 34 tooth ZC and 40 tooth D16a1.
what size is the crank snout or inner diam. of the crank sproket???

Im not sure.. but d16z5, a8,a9 are all blacktops a8 the first ,a9 second and z5 the last . made in 88-92 europ versjons... this is ed9 chassi code crx only (europ) ee8 c-code are the b16a1 same years. But Im not 100% sure ... jgedynamic told me that a8,a9 (europ) has 38 teeth cam gears.. and different IM and cams. but if you say 40.. thats more like it i think... I just sendt them picturs of every thing 2/1 2007.. my d16z5 says pm7 on the oem camgears.. but so does the ecu and more...

JDMEF7

· #19 · Jan 14, 2007

I put an OBD1 D16a9 into my JDM Si civic when the ZC blew up and it was identical. It had the same P29 manifold on it as any OBD1 ZC.
Mind you it wasn't a Euro spec it was New Zealand spec.

rick gnodde

· #20 · Jan 18, 2007

hi guys i am new here i am rick and ik come from holland

i drive a 91' crx (d16z5) mayby i can tell u something about the d16z5 engine if u like

greets...

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