Now that k mounts are avalible and now everyone wants to know how to do a k swap and need info. I thought might as well post a thread about all of the k engines.
K20A

• Found in:
  • 2007- Honda Civic Type-R (FD2)
    • Displacement: 1998 cc
    • Compression: 11.7:1
    • Power: 222 bhp (225 PS, 165 kW) @ 8000 rpm
    • Torque: 159 ft·lbf (215 N·m) @ 6100 rpm
    • Redline: 8400 rpm
  • 2001-2005 Honda Civic Type-R (EP3)
    • Displacement: 1998 cc
    • Compression: 11.5:1
    • Power: 212 bhp (215 PS, 158 kW) @ 8000 rpm
    • Torque: 149 ft·lbf (202 N·m) @ 7000 rpm
    • Redline: 8400 rpm
  • 2001-2006 Honda Integra Type-R (DC5)
    • Displacement: 1998 cc
    • Compression: 11.5:1
    • Power: 217 bhp (220 PS, 162 kW) @ 8000 rpm
    • Torque: 152 ft·lbf (206 N·m) @ 7000 rpm
    • Redline: 8500 rpm
  • 2003-2006 Honda Accord Euro-R
    • Displacement: 1998 cc
    • Compression: 11.5:1
    • Power: 217 bhp (220 PS, 162 kW) @ 8000 rpm
    • Torque: 152 ft·lbf (206 N·m) @ 7000 rpm
    • Redline: 8500 rpm

K20A2

• Found in:
  • 2002-2004 Acura RSX Type-S and 2002-2005 Honda Civic Type R (EP, European)
    • Displacement: 1998 cc
    • Compression: 11.0:1
    • Power: 200 hp (147 kW) @ 7400 rpm
    • Torque: 145 ft·lbf (193 N·m) @ 6000 rpm
    • Redline: 8000 rpm

K20A3

• Found in:
  • 2002-2005 Honda Civic Si
    • Displacement: 1998 cc
    • Compression: 9.8:1
    • Power: 160 hp* (119 kW) @ 6500 rpm
    • Torque: 139 @ 5000 rpm
  • 2002-2006 Acura RSX
    • Displacement: 1998 cc
    • Compression: 9.8:1
    • Power: 155 hp* (115 kW) @ 6500 rpm
    • Torque: 139 ft·lbf* (191 N·m) @ 4000 rpm
    • Redline: 6800 rpm
    • (* Horsepower and torque calculations reflect new SAE J1349 procedures revised August 2004)
• (The intake manifold is often credited with being responsible for the difference in HP between these two variants. The Civic Si being equipped with an aluminum intake manifold, and the RSX Base model equipped with a plastic version).

K20Z1

• Found in:
  • 2005-2006 Acura RSX-S
    • Displacement: 1998 cc
    • Compression: 11.0:1
    • Power: 201 hp (150 kW) @ 7800 rpm (sae NET Rev 8/04)
    • Torque: 141 ft·lbf (194 N·m) @ 7000 rpm (sae NET Rev 8/04)
    • Redline: 8100 rpm

K20Z2

• Found in:
  • 2006- Acura CSX (Canada)
    • Displacement: 1998 cc
    • Compression: 9.6:1
    • Power: 155 hp (114 kW) @ 6000 rpm (sae NET Rev 8/04)
    • Torque: 139 ft·lbf (188 N·m) @ 4500 rpm / 188 N·m @ 4200 rpm (Singapore)
    • Redline: 6800 rpm
  • 2006- Honda Civic (USED ENGINES & USED TRANSMISSIONS. JDM USED ENGINES 800-895-0134)
    • Displacement: 1998 cc
    • Compression: 9.6:1
    • Power: 155 hp (114 kW) @ 6000 rpm
    • Torque: 139 ft·lbf (188 N·m) @ 4500 rpm
    • Redline: 6800 rpm
  • 2006- Honda Accord Sport(Europe)
    • Displacement: 1998 cc
    • Compression: 9.6:1
    • Power: 155 hp (114 kW) @ 6000 rpm
    • Torque: 139 ft·lbf (188 N·m) @ 4500 rpm
    • Redline: 6800 rpm

K20Z3

This inline-4 cylinder internal combustion engine is found in the redesigned Honda Civic Si. It has an aluminum block with an aluminum head, and a bore and stroke of 86 mm*86 mm, resulting in a 2.0 Liter displacement.

• Found in:
  • 2006+ Honda Civic Si
  • 2007 Acura CSX Type-S
    • Displacement : 1998 cc
    • Compression : 11.0:1
    • Power: 197 bhp (147 kW) @ 7800 rpm (sae NET Rev 8/04)
    • Torque: 139 lb·ft (189 N·m) @ 6200 rpm (sae NET Rev 8/04)
    • Redline: 8000 rpm

K23


K23A1

• Turbocharged
• Found in:
  • 2007 Acura RDX
    • Displacement: 2300 cc (acura.com)
    • Compression: 8.8:1 (acura.com)
    • Power: 240 hp @ 6000 rpm (SAE net)
    • Torque: 260 ft·lbf @ 4500 rpm (SAE net)
    • Redline: 6800 rpm (acura.com)
    • Bore: 86 mm
    • Stroke: 99 mm

K24


K24A1

• Found in:
  • 2002-2007 Honda CR-V
    • Displacement: 2354 cc
    • Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
    • Compression: 9.6:1
    • Power: 156 hp (119 kW) @ 6000 rpm (166 hp in 2007)
    • Torque: 162 ft·lbf (220 N·m) @ 3600 rpm
    • Redline: 6500 rpm

K24A2

• Found in:
  • 2004-2007 Acura TSX
    • Displacement: 2354 cc
    • Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
    • Compression: 10.5:1
    • Power: 205 hp (149 kW) @ 6800 rpm
    • Torque: 166 ft·lbf (225 N·m) @ 4500 rpm
    • Redline: 7100 rpm

K24A3

• Found in:
  • 2003-2006 Honda Accord (Europe, Japan, and Australia)
    • Displacement: 2354 cc
    • Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
    • Compression: 10.5:1
    • Power: 189 hp (140 kW) @ 6800 rpm
    • Torque: 164.5 ft·lbf (223 N·m) @ 4500 rpm
    • Redline: 7000 rpm

K24A4

• Found in:
  • 2003-2005 Honda Accord, 2003-2006 Honda Element
    • Displacement: 2354 cc
    • Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
    • Compression: 9.7:1
    • Power: 160 hp (119 kW) @ 5500 rpm
    • Torque: 161 ft·lbf (218 N·m) @ 4500 rpm
    • Redline: 6500 rpm

K24A8

• Found in:
  • 2006/2007 Honda Accord
    • Displacement: 2354 cc
    • Bore and Stroke: 87 mm x 99 mm (3.43x3.90 inches)
    • Compression: 9.7:1
    • Power: 166 hp (124 kW) @ 6000 RPM
    • Torque: 160 ft·lbf @ 4250 rpm
    • Redline: 6500 rpm

Hybrids:
most k series parts are interchangeable so in no time k hybrids have been created shortly after the engies where introduced the most common would be k24 bottom endfrom a crv, accord, element and use the top end from a k20a, k20z1,etc. result poor mans k24a2 why do this because the a2 is not that easy to find compared to other the k24's and the a2 is the most powerful of the n/a k engines the head should bolt up to the block with little problem.

Personal discovery:
while the k23 is the most powerful of the k engines it's so different that it needs its own thread to explain the engine. But here the short version.
1) completly different mounting point's
2) need k trans can't just bolt up to the k23 would need a adaptor plate
3) v-tec only on the intake side (i don't know why)
But with these down sides there are a few up sides
1)strongest internal parts
2)turbo (maxes out at 13.5 and spools up very quickly due to its design)
3) reinforced block

Now to the discovery part. Most people you ask they would say that the k23 is a destroked k24 but if you look at the specs the k23 just has a 1mm decrease in bore. So what. So, while the k23 block can't fit a k24 can. so Get you could get your hands on a k24 short block and have it sleved to accomedate the smaller pistons and just replace the internals of the k24 with the stronger parts of the k23. put a k20a head on there and bolt the stock turbo system from the k23 and throw the super frakenstein engine into any honda you can stuff a k into that could hit 300hp with little problem and have torque everywhere. But this is just theortical i have not tried this but i hope this could inspire someone to do such a engine set-up and get some real power that any honda fan could be proud of.

 

good stuff, too bad we dont have the K series, New York represent, booyakasha! :p

 

you swapped a K20 already?

 

Great info!

 

May as well add this one too. ;)

http://www.autoblog.com/2007/06/28/official-japan-gets-honda-civic-mugen-rr

While it is indeed the same K20A found in the FD2, Honda sells this as a street car, albeit modified. I'm looking into whether these mods can be purchased seperately, but it's not looking too good...



And before people get excited about swapping in an FD2's engine, consider something else. The engine retails for $8500 right now and the harness is completely useless and will not swap into any other Honda I can think of that's not an 06+ Civic.

 

i beg to differ. i garentee you send that harness to hasport or any other company that do swaps and they'll have it in any honda and running given a week or 2.

 

You should take a look at the system prior to making guarantees...



...Hondata's been working on it for longer than "a week or two"....

 

The new Civic Si's 06-07's, anyone know why their motors are built in the US?
I noticed that basically the WHOLE car is US/Canada. Probably why they arent fast. :-X

I would stay away from that motor. 05-06 RSX-S is the motor to get.
If you want decent power with quick gears, RSX base engine (K20A3) with 05-06 Type-S trans. I myself would do a TSX motor (K24A2) and a 05-06 Type-S trans. Mmmmmhm, power and torque. ;)

 

I have a K20Z3 coming down to the yard either tomorrow or Sunday for parts and testing. I also have an R18A1 and a K24A2. Kinda just lucked into them.

I personally would rather have a K20/K24 with a K20A-R tranny and the TSX 6th speed. It's essentially the same as the K20Z3, but the VSS is in a completely different spot than it is on the A2/A3, so as far as we know, it doesn't bolt directly to any of the K motors. Sucks. It'd be easier to source.

The JDM Civics are built in Canada and exported to Japan. That's why they're not fast either. ;)

I'm trying to get my hands on that Mugen RR program though.

 

Also don't forget that there are 2 kinds of k24a2

K24A2 2004-2005 Acura TSX specs
http://www.honda-portal.com/engine_specs.php?series_id=4&engine_id=51

K24A2 2006-2007 Acura TSX specs
http://www.honda-portal.com/engine_specs.php?series_id=4&engine_id=52

Differences between k20a's.
DC5 k20a has better exhaust manifold than EP3 K20a thats why it makes 5 hp more. Accord Euro R has RBC intake manifold (same as found in 06+ Civic Si) versus EP3's and DC5's PRC intake mani. Euro R's oil pump is also is equipped with balancer shafts which make engine smoother but rob some hp.

Differences between K20A3's.
EP3 K20A3 comes with PRB intake manifold from RSX-S K20A2. Base RSX k20a3 on the other hand has plastic intake manifold. EP3 has oil pump that is equipped with balancer shafts which make engine smoother but rob some hp. DC5 k20a3 has same oil pump as RSX-s K20A2 and it is therefore more suitable for high revs. Although both cars come with 5 speed manual final drives are different in two cars. EP3 has 4.7 fd and DC5 comes with 4.3 fd. This makes EP3 have shorter gear ratio. EP3's intake manifold makes enigne more suitable for mods and gains are bigger, but on paper it makes less low end tq, that is why there is 9 lb-ft difference between two cars.