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Old 07-29-2009, 05:00 PM
JDMEK4COUPE JDMEK4COUPE is offline
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Exclamation K-series engine specs

These is a list of the K-Series engines with specs and where are founded.


K20A (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
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Throttle body: Drive-by-wire
Intake Manifold: RRC

K20A (2001-2005 Honda Civic Type-R EP3)
Displacement: 1998 cc
Compression: 11.5:1
Power: 212 hp (215 PS, 158 kW) @ 8000 rpm
Torque: 149 ft-lb (202 N*m) @ 7000 rpm
Redline: 8400 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake manifold: PRC

K20A (2001-2006 Honda Integra Type-R DC5)
Displacement: 1998 cc
Compression: 11.5:1
Power: 217 hp (220 PS, 162 kW) @ 8000 rpm
Torque: 152 ft-lb (206 N*m) @ 7000 rpm
Redline: 8500 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake manifold: PRC

K20A (2002-2006 Honda Accord Euro-R )
Displacement: 1998 cc
Compression: 11.5:1
Power: 217 hp (220 PS, 162 kW) @ 8000 rpm
Torque: 152 ft-lb (206 N*m) @ 7000 rpm
Redline: 8500 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake manifold: RBC

K20A2 (2002-2004 Acura RSX Type S, 2002-2005 EDM Honda Civic Type R EP3)
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: 142 ft-lb (193 N*m) @ 6000 rpm
Redline: 8000 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake manifold: PRB

K20A3 (2002-2005 Honda Civic Si EP3)
Displacement: 1998 cc
Compression: 9.8:1
Power: 160 hp @ 6500rpm
Torque: 132 lb-ft @ 5000 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake Manifold: PRB

K20A3 (2002-2006 Acura RSX Base)
Displacement: 1998 cc
Compression: 9.8:1
Power: 160 hp (155 SAE hp) @ 6500 rpm
Torque: 139 ft-lb* (191 N*m) @ 4000 rpm
Redline: 6800 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake Manifold: Plastic dual-stage

K20Z1 (2005-2006 Acura RSX Type S)
Displacement: 1998 cc
Compression: 11.0:1
Power: 210 hp (201 SAE hp) @ 7800 rpm
Torque: 141 ft-lb @ 7000 rpm
Redline: 8100 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Intake Manifold: PRB

K20Z2 (2006+ CDM Acura CSX, 2006+ JDM Honda Civic)
Displacement: 1998 cc
Compression: 9.6:1
Power: 155 hp (114 kW) @ 6000 rpm (SAE NET Rev 8/04)
Torque: 139 ft-lb (188 N*m) @ 4500 rpm / 188 N*m @ 4200 rpm (Singapore)
Redline: 6800 rpm
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Throttle body: Drive-by-wire

K20Z3 (2006+ USDM Honda Civic Si)
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
Bore: 86.0 mm
Stroke: 86.0 mm
Valvetrain: 16-Valve DOHC i-VTEC
Throttle body: Drive-by-wire
Intake Manifold: RBC

K23A1 (2007+ Acura RDX)
Displacement: 2300 cc
Compression: 8.8:1
Power: 240 hp @ 6000 rpm (SAE net)
Torque: 260 ft-lb @ 4500 rpm (SAE net)
Redline: 6800 rpm
Bore: 86.0 mm
Stroke: 99.0 mm

K24A1 (2002-2007 Honda CR-V)
Displacement: 2354 cc
Compression: 9.6:1
Power: 156 hp (119 kW) @ 6000 rpm (166 hp in 2007)
Torque: 162 ft-lb (220 N*m) @ 3600 rpm
Redline: 6500 rpm
Bore: 87.0 mm (3.43 inches)
Stroke: 99.0 mm (3.90 inches)
Valvetrain: 16-Valve DOHC i-VTEC

K24A2 (2004-2005 Acura TSX )
Displacement: 2354 cc
Compression: 10.5:1
Power: 200 hp @ 6800 rpm
Torque: 166 ft-lb @ 4500 rpm
Redline: 7100 rpm
Bore: 87.0 mm (3.43 inches)
Stroke: 99.0 mm (3.90 inches)
Valvetrain: 16-Valve DOHC i-VTEC

K24A2 (2006-2007 Acura TSX )
Displacement: 2354 cc
Compression: 10.5:1
Power: 205 hp (149 kW) @ 7000 rpm
Torque: 164 ft-lb (225 N*m) @ 4500 rpm
Redline: 7100 rpm
Bore: 87.0 mm (3.43 inches)
Stroke: 99.0 mm (3.90 inches)
Valvetrain: 16-Valve DOHC i-VTEC

K24A3 (2003-2006 JDM/AUDM/EDM Honda Accord)
Displacement: 2354 cc
Compression: 10.5:1
Power: 189 hp (140 kW) @ 6800 rpm
Torque: 164.5 ft-lb (223 N*m) @ 4500 rpm
Redline: 7000 rpm
Bore: 87.0 mm (3.43 inches)
Stroke: 99.0 mm (3.90 inches)
Valvetrain: 16-Valve DOHC i-VTEC

K24A8 (2006-2007 Honda Accord)
Displacement: 2354 cc
Compression: 9.7:1
Power: 166 hp (124 kW) @ 5800 RPM
Torque: 160 ft-lb @ 4000 rpm
Redline: 6500 rpm
Bore: 87.0 mm (3.43 inches)
Stroke: 99.0 mm (3.90 inches)
Valvetrain: 16-Valve DOHC i-VTEC


Oil Capacity

ITR/RSX Type S/ RSX (Base)
Without Oil Filter Change
K20A/A2/Z1 Engine 4.8 quarts
K20A3 Engine 4.2 quarts

With Oil Filter Change
K20A/A2/Z1 Engine 5.0 quarts
K20A3 Engine 4.4 quarts

Accord Euro R/TSX
Without Oil Filter Change
K20A/K24A2/Z3 Engine 4.8 quarts

With Oil Filter Change
K20A/K24A2/Z3 Engine 5.0 quarts



The K series engines are all equipped with DOHC valvetrains with Honda's i-VTEC variable valve timing control.

Honda made this engine a big improvement over its older 4-cylinder engines by including friction-reducing technologies to reduce parasitic loss.

The K-series uses a DOHC valvetrain, which utilizes roller rockers to reduce friction. The VTEC system on engines like the K20A3 is only on the intake cam, and at low RPM when not engaged, allows the engine to function as a 12-valve engine, opening only one intake valve so that the air swirls for better combustion. This VTEC system was designed with fuel economy in mind. In engines like the K20A2 found in the RSX Type-S, The VTEC system always allows the motor to run as a 16 valve engine, and when VTEC engages, its on both the intake and exhaust rockers, and opens all 4 valves even more at high RPM

The K-series motors all use DI, or distributorless ignition. It uses a coil on plug system, in which each spark plug has its own coil atop it. This allows the ECU to send the spark exactly when it wants it, and removes the need for spark plug wires.

Last edited by JDMEK4COUPE; 09-15-2009 at 08:46 AM. Reason: Add info.
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Old 09-15-2009, 08:48 AM
JDMEK4COUPE JDMEK4COUPE is offline
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Updates 9/15/09
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Old 11-13-2009, 02:32 AM
D.Anike D.Anike is offline
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Default K series engine specs

Does anyone have the specs for the intake section that I would use for the LS3 intake in EA Pro? Any help would be appreciated.
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Old 12-19-2009, 05:35 PM
Accouffes Accouffes is offline
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Default K series engine specs

pretty sure this is them

plug gap .31"
dwell 52deg
point gap .018"
ignition timing 7deg btc
Intake .008
Exhaust .014

change the condesor and for the 7 replace the rotor too
then worry about the coil
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Old 11-18-2010, 12:03 PM
JDMEK4COUPE JDMEK4COUPE is offline
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http://asia.vtec.net/Engines/FD2K20AR/index.html <------------
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Old 11-19-2010, 04:05 AM
Tatis Tatis is offline
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Great information!!! Thank you.

However, it would be good to know which ones can work better with HR swap parts and, therefore, recommend for a swap project. Otherwise, people, might go out and buy the most powerful or least expensive an not necesseraly the appropiate one.

I know of someone that bought an K20 engine/tranny Type R Euro version and ended up with a lot of headaches in making the swap

Regards.
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Old 10-24-2012, 04:36 AM
max008 max008 is offline
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good write up. Thanks for sharing the awesome post.
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Old 10-29-2012, 07:01 PM
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hybridracing hybridracing is offline
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You can also download the K-Swap guide HERE that covers things nicely.
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Old 05-08-2013, 01:26 AM
jimmyjjohn jimmyjjohn is offline
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Hello

Does anyone have the specs for the intake section that I would use for the LS3 intake in EA Pro? Any help would be appreciated.
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Old 12-31-2013, 09:48 AM
chal4oye chal4oye is offline
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Does anyone have the specs for the intake section that I would use for the LS3 intake in EA Pro? Any help would be appreciated. ????
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