How can you tell the difference between a jdm engine and a usdm engine.
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From: Tacoma, WA, U.S.A.
How can you tell the difference between a jdm engine and a usdm engine.
I am looking to buy a a jdm B16a engine for my honda civc cx. I want to know how do i tell the difference between the a jdm engine and a usdm engine. i have heard you can tell by the valve cover it is true and if so how do i tell 
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From: 54° 57’ 05”N 7° 44’ 13"W Europe.
Re: How can you tell the difference between a jdm engine and a usdm engine. (Speed_Racer)
USDM valve covers have Honda Motor Company written at the botton, whereas JDM ones just have the emblem. B18 series engines will only have the engine number stamped as B18C, and USDM engines are stamped B18C1/B18C5, theres possibly other ways but i cant think of them
emblem. B18 series engines will only have the engine number stamped as B18C, and USDM engines are stamped B18C1/B18C5, theres possibly other ways but i cant think of them
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From: Towson, MD, USA
Re: How can you tell the difference between a jdm engine and a usdm engine. (Speed_Racer)
also the series number (under the engine code) if it is 1million or 4million something then it is a JDM. 1millions = from JDm integra Xsi
4millions= from civic or crx sir's.
I thought the the JDM ITR motors were stamped b18c5?
why do u only want a JDM?
I would take what you can get. besides the USDM b16a's make more power than the JDM's.
4millions= from civic or crx sir's.
I thought the the JDM ITR motors were stamped b18c5?
why do u only want a JDM?
I would take what you can get. besides the USDM b16a's make more power than the JDM's.
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From: WI
Re: How can you tell the difference between a jdm engine and a usdm engine. (mugenracer)
Easiest way.... JDM has NO number after the block code(ie b16a, b18c)
No ifs ands or buts, NONE have numbers
No ifs ands or buts, NONE have numbers
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From: Brooklyn, NY, USA
Re: How can you tell the difference between a jdm engine and a usdm engine. (incubus)
also the series number (under the engine code) if it is 1million or 4million something then it is a JDM. 1millions = from JDm integra Xsi
4millions= from civic or crx sir's.
I thought the the JDM ITR motors were stamped b18c5?
why do u only want a JDM?
I would take what you can get. besides the USDM b16a's make more power than the JDM's.
4millions= from civic or crx sir's.
I thought the the JDM ITR motors were stamped b18c5?
why do u only want a JDM?
I would take what you can get. besides the USDM b16a's make more power than the JDM's.
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From: nj
Re: How can you tell the difference between a jdm engine and a usdm engine. (incubus)
I thought the the JDM ITR motors were stamped b18c5?
why do u only want a JDM?
I would take what you can get. besides the USDM b16a's make more power than the JDM's.
why do u only want a JDM?
I would take what you can get. besides the USDM b16a's make more power than the JDM's.
And the JDM motors make more power then the US counterparts because compression on the motors are slightly higher.
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Re: How can you tell the difference between a jdm engine and a usdm engine. (chet)
also, distinguishing a motor by its valve cover is not always reliable...as a valve cover can be switched with relative ease. i've found the best way to tell a USDM motor from JDM motor is the stamping on the block...ie b18c vs b18c1 etc and the way the wiring harness is mounted on the motor. chances are, if the motor has b18c stamped on it and its wiring harness is setup for right hand drive then its from jdmland, or another country where they receive the same motors...etc.
plus, you can be sure you have a jdm motor when your rings are shot and it burns oil!
plus, you can be sure you have a jdm motor when your rings are shot and it burns oil!
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From: Toronto, Ontario, Canada
Re: How can you tell the difference between a jdm engine and a usdm engine. (sgT)
sgt my jdm b16 have a2 on it?
but it was from a right hand drive car?
could it be from another asian country ?ie hong kong?
but it was from a right hand drive car?
could it be from another asian country ?ie hong kong?
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From: WA
Re: How can you tell the difference between a jdm engine and a usdm engine. (denshu)
Look for a vtec pressure switch too, jdm engines don't have that.
As for the valve cover stuff, the USDM B16 valve covers look like the JDM ITR valve covers, only different colors.
The JDM ITR valve covers do not look like USDM ITR valve covers.
As for the valve cover stuff, the USDM B16 valve covers look like the JDM ITR valve covers, only different colors.
The JDM ITR valve covers do not look like USDM ITR valve covers.
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From: WA
Re: How can you tell the difference between a jdm engine and a usdm engine. (chet)
are you sure your b16a2 wasn't from a civic si.
i'm willing to bet thats what you have.
i'm willing to bet thats what you have.
Joined: Aug 2002
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From: WA
Re: How can you tell the difference between a jdm engine and a usdm engine. (denshu)
It's not. There's a vtec pressure switch on it, and it says A2.
Sorry dude..
it's not a big deal though, usdm engines have alot of pros.
Sorry dude..
it's not a big deal though, usdm engines have alot of pros.
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From: Orange County, CALIFORNIACATIONATED, USA
Re: How can you tell the difference between a jdm engine and a usdm engine. (incubus)
I thought the the JDM ITR motors were stamped b18c5?
..of course its not stamped on there tho...
[Modified by 10K2HVN, 9:46 PM 11/24/2002]
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From: Toronto, Ontario, Canada
Re: How can you tell the difference between a jdm engine and a usdm engine. (CiRcUiTsi)
it is a b16a2..you can't really see the 2 in that pic..
looks like the intake manifold is a little differnt and also the tranny..i got no stamp but just the sticker, and you got that metal plate with numbers
[Modified by denshu, 3:06 PM 11/24/2002]
looks like the intake manifold is a little differnt and also the tranny..i got no stamp but just the sticker, and you got that metal plate with numbers
[Modified by denshu, 3:06 PM 11/24/2002]
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From: WA
Re: How can you tell the difference between a jdm engine and a usdm engine. (denshu)
Where the hell do you see the b16a2??? It looks like b16a to me and all vtec motors have a vtec oil pressure switch!!!!!!
And NO, not all dohc vtec engines have pressure switches. Mine sure doesn't, and I wouldn't have a plug dangling off my usdm engine harness there if I did. My p28 wouldn't be throwing a code for it either.. and I might actually be able to engage in vtec if I had one. That leaves me to believe I don't have one. Can you prove me wrong?
I can see one on that engine, it's there.
[Modified by Nameless, 1:09 AM 11/25/2002]
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From: WA
Re: How can you tell the difference between a jdm engine and a usdm engine. (10K2HVN)
I thought the the JDM ITR motors were stamped b18c5?
Actually, the JDM ITR motors are B18C4's... C5 is the knock off USDM version (tuned down version)...
..of course its not stamped on there tho...
Actually, the JDM ITR motors are B18C4's... C5 is the knock off USDM version (tuned down version)...
..of course its not stamped on there tho...
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Re: How can you tell the difference between a jdm engine and a usdm engine. (Nameless)
i see the 2 as well-- 99-00 civic si.
and as for JDM motors NEVER NO IFS AND OR BUTS about the trailing number, there is one exception:
and as for JDM motors NEVER NO IFS AND OR BUTS about the trailing number, there is one exception:
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From: WA
Re: How can you tell the difference between a jdm engine and a usdm engine. (hndarcr)
Man please someone else jump in on this one but every dohc vtec motor Ive ever put in a car has had a vtec oil pressure switch and Ive put in hundreds!!!
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From: JAPAAAAAAN
Re: How can you tell the difference between a jdm engine and a usdm engine. (hndarcr)
These are real jdm b16 (Out of a Civic Ferio)
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