Honda / Acura K20a K24a Engine Forum banner


  1. K20a3 Swap help

    2001+ Civic EP3 / RSX DC5 / EM2
    Greetings, new to the forum not sure if this was discussed before but not seeing any info after checking the site for couple weeks. I have a 2003 Honda Civic ES model and I'm in the process of swapping in a K20a3 engine and transmission form a 2006 RSX base. I notice that the wiring guide for...
  2. Should I get a base model RSX?

    General K-series related talk
    I’m looking at this great condition RSX in my area. It’s just a base model but super great shape, intake, headers, exhaust, lowered, lots of recent maintenance. I know the k20a3 is not as good as the a2 but I’m just wondering if it’s still worth it. I’ve looked at doing an a2 head swap because I...
  3. Help with shifter assembly

    All Motor K series Technical Discussion
    Hello, I recently bought an RSX base and decided to upgrade the stock shift springs to Mtec ones. After reinstalling my shiftier selector I am having problems moving my shift stick side to side. Number 12 wont move up and down and I've triple checked to make sure all the parts are there. Has...
  4. k24a2 del sol questions

    1992+ Civic EG / DC2 / EK K-Series Swap
    I attempted to search for an answer in the forums but did not find an answer so im hoping one of you can help me out. It would be much appreciated. I bought k20a3 with 5 speed trans at first to swap into my 93 del sol i accumulated parts that was shown required in a end all thread for kswap...
  5. Wtb k20a3 orm piston

    Parts Wanted
    Need 1 piston to get my baby running again :) I'm located in Hawaii so I will need to get this shipped. Pm me pics and info on them. thanks
  6. Universal speedometer 05 k20a3?

    All Motor K series Technical Discussion
    Hey guys, I'm building an ariel atom, and its almost time to get all my wiring and electrical done, I was wondering if there are any speedometers out there that would work for this motor for a reasonable cost as I'd prefer not to get the cluster as it doesn't really work for the car. Thanks guys!
  7. k24 parts

    Parts for sale
    Selling come k parts. Got a k24z3 short block. 58k miles on it. No water pump or pipes. No crank pulley or flywheel. Will update this thread with a pic of the vin plate.will be cleaned up. Asking 500 local pick up. You pay shipping after qoute. Can take apart upon request but will cost 50 to...
  8. WTB: 02-04 RSX K20a3 / CRV k24a1 Harness

    Parts Wanted
    Looking for an 02-04 k20a3 or K24a1 harness (engine & charge harness) from RSX or CRV, can be cut, so long as everything's included. Please PM me condition and price shipped, to 38506. Thanks, -Nick
  9. DIY: K24a1 K20a3 IMRC Delete P0661 P0662 P1077 P1078 etc.

    Wiring and Electronics
    For any of you with IMRC woes (or those who just want to run a different IM w/o k-pro) you may find the following helpful. Over the past year (12,000 miles) I've been running an IRMC Delete/bypass circuit (simple relay switched voltage divider) that I created since it was cheaper then fixing...
  10. Strange Rattling Noise After 2K RPM what can it be???

    General K-series related talk
    What is this noise? Started happening after 2K RPM. The only thing I know that's wrong with the car is that the clutch started slipping about 2 months ago... After recording this video the next AM I did a valve adjustment hoping it was Valve Clap. But nope. Its...
  11. K20a2 swap into EP3

    2001+ Civic EP3 / RSX DC5 / EM2
    I am looking into buying a k20a2 rebuilt longblock from a remanufacturer, and using my k20a3 transmission (I know that I will drop out of Vtec). I have done research on this site and many others, and thanks to help from threads by members such as WhiteOnRice, I understand a good portion of what...
  12. FS/CA: K20a3 vtec killer with type R goods.

    Motors / Swaps for sale
    Everything Sold. Please close. Thank you.
  13. OEM LSD Question

    General K-series related talk
    Hey guys I am wanting to know if it is possible to use the 06-10 civic si LSD in a 05-06 rsx base 5spd trans. I have done some checking on the topic and I can't get a solid answer. Any help would be awesome! Thanks!
  14. RSX type s question: k20a2 to k20a3

    General K-series related talk
    Hey guys whats up I have done searching and found a few threads similar to my question but nothing that answered it. So here is my question, can you swap a k20a3 dirrectly into a RSX type s. I bought a RSX type s the other day that jumped 6 teeth and junked the motor, I priced the k20a2 and I...
  15. k20a3 - Goal: Most budget build ever

    All Motor K series Technical Discussion
    Hello all, I'm new, and from Australia. I recently purchased a base model integra (RSX for you USA people). Why? Well over here, I got my base with less than 100k-KM, for $9000. The closest TypeR\S was over $16k. Also 98RON is not cheap, nor available everywhere. And after covering 900km on one...
  16. Need head specs for k20a,k20a2 and k20a3.

    General K-series related talk
    I need the specs of the head for all three motors whats the difference between all of them. Im doing a swap(k20a2) for a buddy of mine and i will be picking up the motor(k20a3) off him and i would like to know if i can mod the head to be equal to the k20a or the a2 head. Someone please point...
  17. Help and info needed on a K20a engine

    General K-series related talk
    Ok I have a 2003 ep3 with the base k20a3 engine in it. I was wanting to buy a K20a from ebay and it comes with the transmission and everything. First question is do I really need the 6 speed transmission or can I just buy the engine and put that in my car? Another question, is putting the K20a...
  18. FS: 2002 K20A3 EP3 Throttle Body w/ MAP & TPS $120 Shipped

    Parts for sale
    FS: 2002 K20A3 EP3 Throttle Body w/ MAP & TPS $120 Shipped Complete as seen in pics.
  19. WTB: 5 spd trans (Norcal)

    Parts Wanted
    looking for a 5 speed rsx transmission, im located in norcal (CA)
  20. To be, or not to be

    General K-series related talk
    Scroll down for shorter question. Alright so here's the deal, forgive me if this is in the wrong forum, I didn't know exactly where to put it because it's an open-ended question. I have a 2004 Honda Civic Si K20A3 with +120k miles. I bought it as it is from a friend with Apexi exhaust, an...