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Old March 21st, 2018, 08:18 AM   #1
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03 Auto Accord with J2K swap?

Hello Everyone, let me start off saying I got this car for crazy cheap!! Like $125 cheap! My neighbors son got into an accident with this car and bent the front of the subframe.. so I replaced the subframe and the airbags and now it runs amazing... did I mention it only has 70,234 miles on it? The only problem is that it’s an automatic!! So I know the easier way is to swap in the 6-speed trans and everything that comes with it.. but I like the thought of using the J2K kit and using a K-series 6-speed. I then can use the k-tuned shifter box as well. My question is, does anyone have any experience with the J2K kit, I know the starter is somewhat of an issue but with the thickness of the adapter plate and the heads being single-port I feel like there’s enough space that I could make it work.. any ideas on ECU? Would I just use the 6-speed V6 ECU? Also what mount would I use for the trans if I went to the K? Maybe the i4 manual trans mount? Just trying to make a plan on this.. this isn’t my daily and plan on fully gutting/caging it eventually. I love the look of the 7th gen coupes and want to do something different.
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Old March 21st, 2018, 08:37 AM   #2
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This is the car after fixing it
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03 Auto Accord with J2K swap?-2604aa56-735a-4ed0-8219-7d08a2b4c8db_1521643047654.jpeg  
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Old March 24th, 2018, 07:24 PM   #3
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Curious if the K trans is more common? I drove a MT6 before buying my Auto car, and I hate the auto, but I’m having a hard time finding an MT6 trans locally. Is the K trans an easier fit?
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Old March 25th, 2018, 11:13 AM   #4
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The k series 6-speed trans are way more common and cheaper to get. But doing the swap isn’t as straight forward of an install and finding a 6-speed for a j-series is not easy and if you do they have high mileage. I’ve found rebuilt LSD k-series trans for the cost of a high mileage J 6-speed. But I have yet to find anybody do a J2K swap in a 7th gen along with doing a Auto 2 MT at the same time.. lol I hoping to be the first.. I got this car so cheap that it’s worth it to me to at least try it..
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Old March 26th, 2018, 07:57 AM   #5
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There’s currently one on eBay that is the engine and trans together from an 06, J30 and 6MT both for $2200 shipped. Since I want to build a forced induction setup later on that would be a great way to go, to have a complete second engine, but like you said, it’s got 170k miles (not a ton, but definitely not low, my 05 only has 102k currently and it’s my daily) I would even more prefer to find some way to swap to 6 speed manual and AWD from another Honda/Acura donor vehicle, but that would likely require some serious mad scientist work, like putting manual K trans internals into a case from an MDX or something nuts like that. It’s likely all just a pipe dream for me.
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Old March 26th, 2018, 06:36 PM   #6
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Only J2K kit I’ve found is $1095! Ouch! Almost evens out a MT6 that costs $1500-2000
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Old March 27th, 2018, 07:48 AM   #7
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Here is the link I’ve found for the J2k kit which is only $595.. I live in VA so I can just go pick it up

http://inlinepro.com/inlinepro-j2k-1/
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Old March 27th, 2018, 04:40 PM   #8
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Ah. The one I found was the adapter plate and flywheel. Probably have to call them to ask what it takes to put the K flywheel on the J engine or if they also include an adapter for that as well.
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Old March 28th, 2018, 06:23 AM   #9
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Honestly your probably right about calling and figuring out what all it takes to make it happen. I will do so and update the thread so that anyone who’s looking into this, knows exactly what it takes
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Old March 29th, 2018, 12:17 PM   #10
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You can delete thread, I found a 6-speed trans for $850 shipped with 125k which isn’t too bad
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Old March 30th, 2018, 11:31 AM   #11
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Yeah I saw one on eBay that was like $900, hard to pass up a direct bolt in with no adaptation guess work. Unless you could find a 6 speed K trans out of a RSX or something for almost free, which I find unlikely
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Old April 5th, 2018, 04:24 PM   #12
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Yea man, I’m happy I found the trans for a good price, just wish I could of found the TL 6-speed due to the LSD. But can’t complain! can’t wait to feel this motor with the 6-speed
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Old May 17th, 2018, 07:42 PM   #13
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Its so worth it man, this engine with a manual tranny is nasty. ill be keeping an eye on your thread lmk if you have any questions, as im currently driving a complete manual swapped 7th gen v6. Ecu and vss wiring was hardest to overcome but now that i figured it out it seems so easy!
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