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Old April 8th, 2018, 02:58 PM   #1
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Jdm?

Anybody have any experience using "JDM" engines? My beater/daily driver needs an engine & I don't want to do the work. I found a JDM engine nearby that would cost me $1,000 installed. They will even install a new clutch kit for free if I provide it.
While not a 7th gen Accord it's a reasonably clean & rust free '05 Civic ES-SE Vtec 5mt coupe that gets up to 37mpg on my 70 mile daily commute.
Anyone have a JDM story?
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Old May 13th, 2018, 02:04 AM   #2
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Done, paid $600. for a JDM D17A engine last Saturday in San Leandro & then dropped off the '05 Civic (with rod knocking) at the shop in Oakland. Today, a week later paid $400 labor for the engine install plus $100 for gaskets, fluids, plugs, filters, and misc. With my wife following in our truck (full of tools) we started on the 121 mile trip home. The idle was rough and too high and I had no confidence in the car when we left the shop in very heavy traffic. After 40 miles of stop & go at 40mph max finally the traffic cleared up and the remaining trip home was slow but uneventful.
The bottom line is after the PCM did it's relearn procedure the engine is running smoother and cooler than the old one ever did. I have to say that so far my JDM experience is very positive. Great value, spent $1,180 total for an engine & clutch installed so it should be good for at least another 100,000 miles. If you ever need a used Japanese motor at least check it out.
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Old May 26th, 2018, 05:36 PM   #3
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Well I have some miles on it now because of my 70 mile round trip commute. The last two tanks gave me 40.1 & 42.4 MPG which are the best ever with this car. I did need to bleed the clutch because the pedal was way too low but the guy I paid $400. labor to for swapping engines & clutches seems to have done decent work otherwise.
I have to say JDM, YES!
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Old May 31st, 2018, 02:07 PM   #4
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I've got a semi related question and I am going to drop it here because I don't have enough posts yet to post my own thread.

I have a blown engine 2006 6-6 sedan that I am currently working on pulling the engine out of. I am finding it very hard to find a usdm j30a5, and multiple people have suggested going for a JDM j30a5. There is an importer near me that can supply me with one for around a grand, and they swear that it will simply drop right in and I can use my original ECU.

The thing is, from my research I have found that the only JDM vehicle to come with a "j30a5" is the honda inspire, and that the j30a5 supplied with the inspire is the i-vtec version with VCM.

Is it really possible for me to just plug my normal usdm 2006 honda accord j30a5 (non-vcm, normal vtec) ecu in and have it run this vcm ivtec motor from japan?

It seems hard to believe but then again I am pretty new to the honda scene. I just don't want to buy the engine and then find that it doesn't work in vtec, or other weirdness.
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