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Old 03-20-2004, 08:52 PM   #1
WhiteyMF
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Question How do I tell if my friend had an engine swap in a Honda? I think he was duped.

So my friend bought a car that's been repainted and was told that the engine had been swapped to a VTEC engine. (It's a '96 Civic HX.)

So I went to check out the car. Not being all too familiar with Hondas, here are a couple of things I noticed:

1) No VTEC stamps on the oil cover, manifold, anywhere on the engine.
2) When driving, it never switches camshafts and there is no check-engine light, don't think it's in limp mode (if I remember correctly CELs on Hondas disable VTEC most of the time.)

So I started looking for the serial number of the engine to see if it was swapped however I'm not sure where to find that on a Honda engine.

What are some sure-fire ways to tell if the motor was indeed swapped?
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Old 03-20-2004, 08:54 PM   #2
Colonel Lingus
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Heres how you tell:

1.)Find a Honda forum
2.)ask them
3.)?
4.)profit


C.L.
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Old 03-20-2004, 08:54 PM   #3
Dolphin Overton
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put rice in the fuel tank and see if it still works. if it does tehn its VTACK YO!
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Old 03-20-2004, 08:55 PM   #4
Johnny Knoxville
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check for mugen, K+N, GT-R, and VTEC stickers on the doors of the car. usually a dead giveaway
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Old 03-20-2004, 08:57 PM   #5
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there has to be some kind of solenoid or conector that actuates the secondary cam profile yes? pop the cam cover and see if the camshafts are vtec camshafts
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Old 03-20-2004, 08:57 PM   #6
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None of the above suggestions work because they sound like they came from ClubSI.

edit: except for pio!pio! because his reply was faster than I typed the previous post.
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Old 03-20-2004, 08:58 PM   #7
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Quote:
Originally posted by pio!pio!
there has to be some kind of solenoid or conector that actuates the secondary cam profile yes? pop the cam cover and see if the camshafts are vtec camshafts
I was hoping that there was something visual that I could check out without engine disassemby.
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Old 03-20-2004, 09:11 PM   #8
nhluhr
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well generally, you WILL feel the VTEC system switch the cams as you accelerate through the upper revs. If the engine is so weak that you don't feel it, then you'll at least hear it - meaning the exhaust sound at some point in the rev band will suddenly get louder or throatier.

Every single VTEC/VVTi/VANOS engine i've ever heard does this.
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Old 03-20-2004, 09:12 PM   #9
p1driftfiend
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I think no matter what Honda car or engine, if it is VTEC (JDM MAD TYTE YO!!!!), then you should feel it when driving if you push the engine hard. My mom has a 99 Accord with da mighty VTEC, and the thing sucks unless you push it hard and I swear it feels like magic over a certain RPM, which I figure is da VTEC kicking in yo........and yes, I'm serious, I can feel the "VTEC" kick in.
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Old 03-20-2004, 09:14 PM   #10
WhiteyMF
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It was to the floor and has some sort of droning aftermarket exhaust (Honda typical.) There was no change throughout the rev-band. I also couldn't find fuel-cut; took it to a little over 7,000rpm and nothing happened; I just got bored and shifted. I didn't want to float the valves to try and find fuel cut. I assume that there is no VTEC on the engine. Anybody know where the serial # plate or stamp is on these things? I was a bit wary to start with about the whole "engine swap" bit, now I'm wondering if it isn't just the stock motor.
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Old 03-20-2004, 09:17 PM   #11
nhluhr
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well, i'm feeling helpful tonight. Here's a similarly helpful webpage detailing how to identify a VTEC:

http://asia.vtec.net/topics/enginevtec.html
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Old 03-20-2004, 09:25 PM   #12
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Somewhere on the front of the engine block there is a model number stamped in B16A, D16 etc. etc. then find a honda website and refference the number. I forget which is what, i havent cared about honda stuff since i was 16.

Frank
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Old 03-20-2004, 09:27 PM   #13
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shouldn't the VIN be on the engine?

if so, they won't match..
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Old 03-20-2004, 10:45 PM   #14
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like the pic at the link nhluhr posted.....look for the vtec solniod. its the goldish round piece right below the plug wires. on the passanger side of the engine. If it doesnt have one there is NO chance its a vtec motor and your friend prolly got own3d
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Old 03-20-2004, 11:12 PM   #15
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Well, they have DOHC VTEC, SOHC VTEC, and VTEC-E. DOHC is the hot setup, SOHC VTEC is what you find in Accords and regular Civics (where there is no dramatic change in cam profiles), and VTEC-E is the super high gas mileage motor.

Pretty much any Honda motor nowadays is VTEC.
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Old 03-20-2004, 11:42 PM   #16
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It may be a D16 swap, if it was a B series motor it would be like the picture above and it clearly states VTEC. If its a D16 it will be harder to tell but looks on the Transmission it will have an engine code. Oh wait,.. You said HX.... Its already Vtec.
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Old 03-20-2004, 11:44 PM   #17
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if you drive it and at high rpms you dont hear the vtec engage... then its not, and you will be able to notice cause my bf has a non vtec integra and theres a diff. of sound at high rpms

go on hondahookup.com and GO IN THE SPECIFIC FORUM it may take a while but they know whats up... or honda-tech
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Old 03-20-2004, 11:44 PM   #18
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You'll know if its VTEC cause it's like a turbo. yo.
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Old 03-20-2004, 11:53 PM   #19
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Again if its not a motor that looks like the pic posted above, then its probably a stock HX motor, those are Vtec. If you were bringing it to 7krpms and past and it wasnt Vtec, there would be a problem. On my EX even though it was vtec you cant hear it unless you are really paying attention. Its so loud on B series because of the secondaries.
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Old 03-20-2004, 11:59 PM   #20
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If it's got 8 cylinders......it's a swap. My 2 cents.
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Old 03-21-2004, 12:31 AM   #21
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Quote:
Originally posted by Dolphin Overton
put rice in the fuel tank and see if it still works. if it does tehn its VTACK YO!
x 3.5 ^^



- Janq
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Old 03-21-2004, 12:47 AM   #22
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The stamp on the engine says D16Y5.

The valve cover is notably more narrow than the one pictured above. There is a small solenoid that doesn't look quite like the one from the pictures and is located on the firewall side of the valve cover, upper left corner-ish. I'd post a picture but I'm too lazy to get out the camera.
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Old 03-21-2004, 12:56 AM   #23
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http://www.vtecforums.com/forums/

d16y5 = 96-00 HX 115hp sohc 1.6L VTEC-E

sounds like it's the motor that's supposed to be in there.
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Old 03-21-2004, 12:57 AM   #24
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Quote:
Originally posted by Soon2bSubbieowner
Again if its not a motor that looks like the pic posted above, then its probably a stock HX motor, those are Vtec. If you were bringing it to 7krpms and past and it wasnt Vtec, there would be a problem. On my EX even though it was vtec you cant hear it unless you are really paying attention. Its so loud on B series because of the secondaries.
If the valve cover looks like the one above (real wide) then it usually has vtec b/c its DOHC... unless its a b18a or whatever the integra ls uses.


The stock civic motor is a d16y8 and its a SMALL mofo, its only sohc and usually has vtec, its just not much AT ALL... check out www.superhonda.com, the guys there are pretty helpful and generally not into type Ring their cars out .

I had a 00 auto ex for like 7 months (hated it). Anyways if you kept it floored it would switch gears at like 7,300 or something crazy high like that (my miata hits fuel cut at that rpm haha) and you could tell when vtec hit b/c it went from having NO power to having a LITTLE power haha. You really cant hear it that well on SOHC motors.

-justin
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Old 03-21-2004, 01:00 AM   #25
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yup the d16y5 is the stock sohc vtec engine that goes in the hx

yeah so he got ripped off
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