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  1. Forced Induction and Nitrous K series discussion
    Im looking for turbo sizing insight for a potential path i might go for a build. Looking to make 350-400whp reliably on the following setup and have no clue what size turbo could be used efficiently. I know nothing about forced induction on k's Build: K20a3 block Port-matched a3 head and PRB...
  2. RSX Builds
    I built a K24z7/K20a2 engine for my RSX but i ran into a problem, when i used the k24z7 head gasket it had a bit of a gap where oil was spitting out the rear where the block and the head met. I was wondering if anyone knew what gasket i should use to fix this issue. I believe it is the oil...
  3. General K-series related talk
    Hey all, First time posting here, but have been lurking for a while. I had a 1990 Civic dx I was going to k swap, but ended up getting an 02 RSX Type-S for $800 and would rather restore this for a fun daily instead of the civic. Body wise, the car is pretty great. The only rust was on the...
  4. 2001+ Civic EP3 / RSX DC5 / EM2
    person that gave me this head said I can use it no problem I thought I would have problems with vss or problems with loss of power but he insisted on telling me I could run it no problem
  5. General K-series related talk
    friends, i modified my RSX TYPE S with k20a3 with k20z3 head swap. z3 pistons z3 connecting rods z3 crankshaft z3 type s oil pump type s computer and harness and type s box with block k20a3. that is a vtec killer Here I leave you a video...
  6. All Motor K series Technical Discussion
    So recently I took my car into the shop to get it's valves adjusted and I got called the next day saying there was a bigger problem then that. To my surprise, my so thought valve ticking, was actually my camshaft being sheared apart in my cylinder head. Granted I'm only 17 so I don't have crazy...
  7. Introduction Forum
    i have a rsx type s with k20a3 block. k20z3 cylinder head complete. type s transmission, type s ecu, type s intake, type s harness, type s oil pump, a friend offers me some k20z3 pistons and crankshaft, they fit in the k20a3 block, do I need k20z3 bearing bushes? without what they sell me the...
  8. General K-series related talk
    i have a rsx type s with k20a3 block. k20z3 cylinder head complete. type s transmission, type s ecu, type s intake, type s harness, type s oil pump, a friend offers me some k20z3 pistons and crankshaft, they fit in the k20a3 block, do I need k20z3 bearing bushes? without what they sell me the...
  9. 1992+ Civic EG / DC2 / EK K-Series Swap
    I have a k24a2 that i pulled out from a 2004 tsx and i have a engine harness from a 2006 rsx type s would that work I have people saying yes and no so I’m trying to figure this out I also have the transmission from a type s conversion harness on the car fuel pump connected and k swap mounts on...
  10. All Motor K series Technical Discussion
    I thought my problem was the fuel pump. Changed the fuel pump still does the same thing leans. Before my car stays at 14s. Right now it goes 12-13 start up then 20sec later stays over 17+afr. Any idea? Fuel pump wasn't the issue. I checked fuel filter, fuel regulator, no vac leaks, no fuel...
  11. Video Gallery
    Hi im new to the forum. This is my first build/swap. I just finished building a K20Z3 for boost and swapped it into my base RSX. -Supertech dual valve spring kit -ARP head studs -Wiseco 9.6:1 pistons -King bearings -Skunk 2 Alpha connecting rods I put together a video with the pictures...
  12. Introduction Forum
    I recently blew my motor in my Acura rsx type s & I don’t have the most knowledge about doing a engine swap(k24a2) I was wondering if anyone in the Lansing mi area knows any reputable shops or reputable mechanics with experience on kswaps, willing to pay the money if the price is right thanks...
  13. General K-series related talk
    Hey, so me and my friend did a whole K20z1 powertrain swap from a 06 RSX Type S into a EP3. I have both the original k20z1 engine harness and ecu. Is the only thing that I'll have to do is reprogram the key to make it run? I want to make sure the ecu will communicate with all of the other...
  14. General K-series related talk
    I have a 2002 RSX type s (k20a2). I recently bent a valve so I replaced the valves and everything else that got damaged. After getting the motor put back together the shop I brought it to said everything checked out and I could come get it.. I pick it up and drive it about an hour or so back to...
  15. ECU and Tuning
    Hey guys, looking at potentially swapping a K20Z1 into my base RSX (K20A3 = :( Just needed some clarification in terms of wiring and getting VSS to read correctly. I’ve seen in other threads how it’s only really one option on either side and that is low frequency or high frequency (obviously...
  16. General K-series related talk
    Hey guys I’m stumped, picked up a 02 rsxs had a small oil leak and wasn’t really hitting vtec, the oil was leaking somewhere behind the left side of the motor, I also had a cel for camshaft position sensor circuit A, I replaced the camshaft sensor and replaced the whole vtec cylinoid, it feels...
  17. Introduction Forum
    Hi, Does the TSX and RSX use the same lower control arm bushings?
  18. All other models (mr2, mini etc)
    Hey y'all, planning on getting my frank parts and I'm wondering how difficult fitting an RSX harness to a CRV is going to be? Like is there any specific things I need to know, like if i'm gonna have to fab some wires, etc.
  19. RSX Builds
    Hello everyone. I have a k20z3 swap and a 03 rsx type s shell. Wondering what more I would need to make this swap possible or if it can even be done? I have the full swap. Looking for all and any help to make this happen thanks 🙏🏼
  20. 2001+ Civic EP3 / RSX DC5 / EM2
    Hi, my brother recently bought a 2002 RSX Premium, manual 5speed with some pretty sweet mods (body kit and type s bumper & headlights, new civic type r shifter and boot, exhaust, wired for subs and type s leather interior) He bought it as a winter beater and it has 330,000km on it (original...
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