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Is there an engine that will bolt right in to the hybrid's subframe without modifying the mounting brackets? I was quoted $3900 to replace the IMA battery and am just weighing my options. Thanks for any advice.

 
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i think the frames are very similar and it should be an easy swap. im guessing $500 for a used engine and $1k for labor. have you thought about reconditioning the old battery(usually lasts another 5 yrs)? im not sure where you would go for that service tho. or even buying a used one from junkyard or ebay.

 
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I think it would be much more than $1000 for labour, my guess would be closer to $2500 minimum if the wiring goes well.

 
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No labor as I'd be doing it myself. Looking at the used/refurbished battery route but kinda sick of the whole thing at this point. They can degrade significantly after only 50k miles, and I wouldn't count on 5 years. Nobody offers a warranty near that. Really just looking to see if there's a particular engine whose mounts will bolt right in. I know there'd be more work with extra components (eg alternator) and such, and some re-wiring, but I don't have any fabrication skills so that's the most important thing.

 
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Realisticly you'll probably spend about the same or more to convert it. You'll need a whole new motor and trans with wire harness and ecu. If you're paying someone to do this, it'll be quite a hefty bill..

 
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i think the wiring would be a nightmare. the hybrid has a ton of stuff thats different from normal civics including all the ecu, multiplex unit, climate control, and majority of the sensors. now that i think about it, this could be a serious concern.

 
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Off the top of my head the parts from the em2, es2 or es1 you would need are the engine, transmission, ECU, wiring harness, alternator, battery, air intake, axles, intermediate shaft, header, cat, downpipe, subframe, engine mounts (which should bolt up), possibly fuel line and pump?, radiator, fans, shift cables and probably a few other little things. There would probably be a substantial amount of re-wiring and that's unexplored territory, so it's hard to say how much there actually is different. It might be more practical to actually remove the entire hybrid wiring harness, literally everything, and replace it with the 1.7L harness. If that were the route you went then you would could still utilize the cluster with some re-wiring, but the climate controls, multiplex unit, probably the cruise control unit?.. and more would need to be changed.

To my knowledge there have only ever been two hybrid to gas powered swaps done on Hondas, both of which made the cover of honda tuning magazine. One was swapping a k20 into an insight and the other a k20 into a CR-Z, they were done by a shop called LHT performance.

 
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Yeah, it sounds more like the grand prize challenge to an automotive reality show...

 
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Haha, okay I will scratch that option off the list. Thanks for the heads up!

 
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i cried a little after reading this thread =P

 
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maaan u can put any engine u want in there if u wanna do the work. he owner of DNR performance in hayward ca has an insight w k20 . im about to buy an 01 civic hybrid and swap my awd b20 in and go k24turbo awd in my crv. when i get the money of course.but it CAN B done

 
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Really?

 
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Batterys are bad on the hybrid and the frame is unfixable on the gas car

 
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I am having a similar issue as my 03 took a dump on me last week. Ima motor failed and im not payin 3 grand to have it replaced. Luckily i found a messed up 04 ex with an engine in awesome condition. The swap is gonna take some time, but if you have a book, rewiring the systems on the inside wont be that hard. Patience is key on it. As for the engine, if you have noticed, the hybrid engine compartment is backwards compared to conventional civics. Gonna have to flip it all around. Time consuming, yes. Impossible, not at all. Honda has actually discontinued the civic hybrid, as well. Guess they thought it was a money pit for them too. Anywho, time and patience my man

 
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Personally, i would make sure you get the ECU, wiring harness, motor mounts, along with the engine and tranny, axles, radiator, a $100 welder from harbor freight, and most importantly 2 cases of shiner.

If the engine is talking to the ecu then the hell with the AC, heater, radio, windows, locks, etc...

Good luck

 
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older video but

 
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Did anyone finish this swap yet.. cause I'm trying to do same on my es9

 
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Actually it is easy all you need is to do put an alternator like a regular civic. Civic hybrid actually has a starter unlike other hybrid which start the engine in case hybrid battery is too weak to start it. You can remove the hybrid battery Dc/Dc converter inverter assembly from back seat and just put an alternator to charge the battery and you are done. Honda civic is a Type 2 hybrid system. It can function with the hybrid system removed.

 
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but it will be a 1.3L vs an 1.7L in the regular engine.
Lawnmower

 
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I would prefer the 1.3 it has a timing chain vs a belt and they are known to go 400k relatively trouble free