K24z7 in 2002 EP3 - K20A.org .:. The K Series Source . Honda / Acura K20a k24a Engine Forum
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Old 12-27-2016, 11:58 AM   #1
309antonios
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Default K24z7 in 2002 EP3

Hey All,

I have been lurking on this forum for about 10 years. I only recently made an account a few months ago. I used a lot of information from this community to complete my first swap back in 2008 or so.

At the time I had a 2001 Civic EX (EM2) and a totaled 2002 SI that I bought off a friend. I did the rear brake conversion to disk. Swapped the seats and interior (Back and front seats) and of course swapped the motor.

I sold that car last year and I miss it. Though my favorite Civic has been the EP3. I recently bought an EP3 from Gerogia with almost 200k miles. 1 owner, meticulously maintained, all records included, but the motor is unhappy. I just got it this past week, and there is no compression in sylinder 3. Probably a valve, possibly rings. Regardless, easy work.

My initial swap in 2008 was triggered by needing a new valve cover gasket on the d17. Never replaced in 200k miles and started to leak. Replace the gasket, or swap the entire motor? The motor made more sense! Thus, this time around, I'm going the hard way.

A few weeks ago I scored a running 2012 Civic si with some front end damage. It could have been repaired and returned to the road, but where is the fun in that. I am not a fan of the new styling. Nothing compares to the funky EP3. Plus it's vivid blue! I plan on the same swap. Take EVERYTHING from the 12 Si and jam it in the EP3.

I think the motor and tranny have the same mounts. Maybe some minor refab to the rear mount, and a bit of fudging of the CRV mount for this motor and it should swap in. Then.....the fun starts. Wiring.

I have the complete harness from both cars. I plan to use everything from the 12 si with the exception of the SRS system. I am hoping I can wire the existing SRS system in. The other items I am worried about are ABS and VSC. I have the electrical manuals from both cars as well. I am trying to find as much information as I can prior to diving in. This will be a daily driver in the summer. I want to keep it clean, and mostly stock.

Only mods planned are what is necessary to get the exhaust and intake to fit and a flashpro. Nothing else. I love the z7 motor, I am not a die hard fan of 'dat VTEC' so I am not concerned about high rpm, vtce crossover, blah blah blah. I love the k series cause they are smooth, quiet, and bullet proof.

I will start to document my progress shortly and would love to hear your comments. Chances are you may all scare me away with your insults and flaming, though I have high hopes that this isn't the same as the grom community. You can tell me I am nuts, or headed for a dead end, but try to do so with reasoning!

Pictures to come soon!
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Old 01-05-2017, 07:45 AM   #2
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Default Re: K24z7 in 2002 EP3







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Old 01-10-2017, 02:06 AM   #3
jdmdomo
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Default Re: K24z7 in 2002 EP3

In for info
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dc2 k20a2 finally running
02 rsx type s underconstructon .
96 hatch (????)
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Old 01-10-2017, 09:04 AM   #4
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Default Re: K24z7 in 2002 EP3

Sorry there hasn't been much information posted yet. The garage is COLD!
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Old 01-10-2017, 12:20 PM   #5
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Default Re: K24z7 in 2002 EP3

CRV bracket is on back order......
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Old 01-10-2017, 12:58 PM   #6
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There are aluminum versions of the crv bracket. Talk to Autofair Honda. I've seen a few of those on their shelf. No need to wait for the oem one.

The only difference with this swap is the trans side bracket. It's a bit different where it mounts on the trans itself than the earlier versions.

Did you check with Hybrid or Hasport to see if they have an option yet? If not, I hope you have a welder and some basic metal skills to make your own.
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Old 01-10-2017, 05:04 PM   #7
R3336
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Thumbs up Re: K24z7 in 2002 EP3

i just bought one of the SiR models in late December as a impulse, to replace an ailing 92 Protege.

I am watching this build with great interest as I learn more about this little sleeper
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Old 01-11-2017, 04:31 AM   #8
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Default Re: K24z7 in 2002 EP3

My bracket shipped yesterday. AS for the trans mount, as far as I can tell, it's the same mount. I have not physically put it in yet, but they look damn similar, and I was gathering some additional info from this page...

http://k-tuned.3dcartstores.com/Race...tor_p_440.html

Am I missing something? I could be brain dead.... I was more worried about the shift patter being reversed.

Last edited by 309antonios; 01-11-2017 at 04:53 AM..
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Old 01-11-2017, 05:00 PM   #9
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Those are if you use a2/z1 cables and shifter box. Just use the cables and the box from the Si you have.
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Old 01-12-2017, 10:49 AM   #10
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Default Re: K24z7 in 2002 EP3

That's what I thought., but what I am pointing out is that page makes it sound like the tranny should fit without modification to the tranny mount.

What I don't get is what it's saying about modification to the rear mount, given that's on the engine itself. I suppose I won't know until I get the old motor out.
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Old 01-12-2017, 10:50 AM   #11
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Default Re: K24z7 in 2002 EP3

I do still wonder if i'll need the RSX-s selector though
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